Home / 15,410.02-21,301.69-13,747.90

Finding the Fourth Proportional to 15,410.02, 21,301.69 and 13,747.90

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Solution

The fourth proportional to 15,410.02, 21,301.69 and 13,747.90 is: 19,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,410.02 : 21,301.69 = 13,747.90 : x
  2. Step 2: Convert to fraction form
    15,410.02/21,301.69 = 13,747.90/x
  3. Step 3: Cross multiply
    15,410.02x = 21,301.69 × 13,747.90
  4. Step 4: Simplify right side
    15,410.02x = 292,853,397.44
  5. Step 5: Solve for x
    x = 292,853,397.44/15,410.02
  6. Step 6: Final answer
    x = 19,004.10

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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.