Home / 15,513.56-23,270.82-5,126.12

Finding the Fourth Proportional to 15,513.56, 23,270.82 and 5,126.12

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Solution

The fourth proportional to 15,513.56, 23,270.82 and 5,126.12 is: 7,689.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.56 : 23,270.82 = 5,126.12 : x
  2. Step 2: Convert to fraction form
    15,513.56/23,270.82 = 5,126.12/x
  3. Step 3: Cross multiply
    15,513.56x = 23,270.82 × 5,126.12
  4. Step 4: Simplify right side
    15,513.56x = 119,289,015.82
  5. Step 5: Solve for x
    x = 119,289,015.82/15,513.56
  6. Step 6: Final answer
    x = 7,689.34

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.