Home / 21,237.26-29,306.79-11,677.16

Finding the Fourth Proportional to 21,237.26, 29,306.79 and 11,677.16

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Solution

The fourth proportional to 21,237.26, 29,306.79 and 11,677.16 is: 16,114.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,237.26 : 29,306.79 = 11,677.16 : x
  2. Step 2: Convert to fraction form
    21,237.26/29,306.79 = 11,677.16/x
  3. Step 3: Cross multiply
    21,237.26x = 29,306.79 × 11,677.16
  4. Step 4: Simplify right side
    21,237.26x = 342,219,929.38
  5. Step 5: Solve for x
    x = 342,219,929.38/21,237.26
  6. Step 6: Final answer
    x = 16,114.13

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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.