Home / 21,502.18-29,673-12,070.73

Finding the Fourth Proportional to 21,502.18, 29,673 and 12,070.73

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Solution

The fourth proportional to 21,502.18, 29,673 and 12,070.73 is: 16,657.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,502.18 : 29,673 = 12,070.73 : x
  2. Step 2: Convert to fraction form
    21,502.18/29,673 = 12,070.73/x
  3. Step 3: Cross multiply
    21,502.18x = 29,673 × 12,070.73
  4. Step 4: Simplify right side
    21,502.18x = 358,174,771.29
  5. Step 5: Solve for x
    x = 358,174,771.29/21,502.18
  6. Step 6: Final answer
    x = 16,657.61

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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.