Home / 15,290.99-21,092.58-9,616.76

Finding the Fourth Proportional to 15,290.99, 21,092.58 and 9,616.76

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Solution

The fourth proportional to 15,290.99, 21,092.58 and 9,616.76 is: 13,265.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290.99 : 21,092.58 = 9,616.76 : x
  2. Step 2: Convert to fraction form
    15,290.99/21,092.58 = 9,616.76/x
  3. Step 3: Cross multiply
    15,290.99x = 21,092.58 × 9,616.76
  4. Step 4: Simplify right side
    15,290.99x = 202,842,279.64
  5. Step 5: Solve for x
    x = 202,842,279.64/15,290.99
  6. Step 6: Final answer
    x = 13,265.48

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Half scale
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Double scale
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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.