Home / 21,502.32-29,673.18-12,070.90

Finding the Fourth Proportional to 21,502.32, 29,673.18 and 12,070.90

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Solution

The fourth proportional to 21,502.32, 29,673.18 and 12,070.90 is: 16,657.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,502.32 : 29,673.18 = 12,070.90 : x
  2. Step 2: Convert to fraction form
    21,502.32/29,673.18 = 12,070.90/x
  3. Step 3: Cross multiply
    21,502.32x = 29,673.18 × 12,070.90
  4. Step 4: Simplify right side
    21,502.32x = 358,181,988.46
  5. Step 5: Solve for x
    x = 358,181,988.46/21,502.32
  6. Step 6: Final answer
    x = 16,657.83

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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.