Home / 15,593.84-21,513.38-9,615.13

Finding the Fourth Proportional to 15,593.84, 21,513.38 and 9,615.13

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Solution

The fourth proportional to 15,593.84, 21,513.38 and 9,615.13 is: 13,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,593.84 : 21,513.38 = 9,615.13 : x
  2. Step 2: Convert to fraction form
    15,593.84/21,513.38 = 9,615.13/x
  3. Step 3: Cross multiply
    15,593.84x = 21,513.38 × 9,615.13
  4. Step 4: Simplify right side
    15,593.84x = 206,853,837.87
  5. Step 5: Solve for x
    x = 206,853,837.87/15,593.84
  6. Step 6: Final answer
    x = 13,265.10

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Half scale
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Double scale
Find fourth proportional to 15,594.84, 21,514.76 and 9,616.13
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.