Home / 21,332.18-29,437.71-11,641.25

Finding the Fourth Proportional to 21,332.18, 29,437.71 and 11,641.25

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Solution

The fourth proportional to 21,332.18, 29,437.71 and 11,641.25 is: 16,064.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332.18 : 29,437.71 = 11,641.25 : x
  2. Step 2: Convert to fraction form
    21,332.18/29,437.71 = 11,641.25/x
  3. Step 3: Cross multiply
    21,332.18x = 29,437.71 × 11,641.25
  4. Step 4: Simplify right side
    21,332.18x = 342,691,741.54
  5. Step 5: Solve for x
    x = 342,691,741.54/21,332.18
  6. Step 6: Final answer
    x = 16,064.54

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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.