Home / 36,008.10-54,012.20-9,712.87

Finding the Fourth Proportional to 36,008.10, 54,012.20 and 9,712.87

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Solution

The fourth proportional to 36,008.10, 54,012.20 and 9,712.87 is: 14,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,008.10 : 54,012.20 = 9,712.87 : x
  2. Step 2: Convert to fraction form
    36,008.10/54,012.20 = 9,712.87/x
  3. Step 3: Cross multiply
    36,008.10x = 54,012.20 × 9,712.87
  4. Step 4: Simplify right side
    36,008.10x = 524,613,293.42
  5. Step 5: Solve for x
    x = 524,613,293.42/36,008.10
  6. Step 6: Final answer
    x = 14,569.31

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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.