Home / 10,655.79-15,983.10-3,260.24

Finding the Fourth Proportional to 10,655.79, 15,983.10 and 3,260.24

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Solution

The fourth proportional to 10,655.79, 15,983.10 and 3,260.24 is: 4,890.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.79 : 15,983.10 = 3,260.24 : x
  2. Step 2: Convert to fraction form
    10,655.79/15,983.10 = 3,260.24/x
  3. Step 3: Cross multiply
    10,655.79x = 15,983.10 × 3,260.24
  4. Step 4: Simplify right side
    10,655.79x = 52,108,781.90
  5. Step 5: Solve for x
    x = 52,108,781.90/10,655.79
  6. Step 6: Final answer
    x = 4,890.19

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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.