Home / 21,332.76-29,436.58-14,246.88

Finding the Fourth Proportional to 21,332.76, 29,436.58 and 14,246.88

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Solution

The fourth proportional to 21,332.76, 29,436.58 and 14,246.88 is: 19,658.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332.76 : 29,436.58 = 14,246.88 : x
  2. Step 2: Convert to fraction form
    21,332.76/29,436.58 = 14,246.88/x
  3. Step 3: Cross multiply
    21,332.76x = 29,436.58 × 14,246.88
  4. Step 4: Simplify right side
    21,332.76x = 419,379,422.87
  5. Step 5: Solve for x
    x = 419,379,422.87/21,332.76
  6. Step 6: Final answer
    x = 19,658.94

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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.