Home / 14,253.32-21,275.59-12,569.97

Finding the Fourth Proportional to 14,253.32, 21,275.59 and 12,569.97

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Solution

The fourth proportional to 14,253.32, 21,275.59 and 12,569.97 is: 18,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.32 : 21,275.59 = 12,569.97 : x
  2. Step 2: Convert to fraction form
    14,253.32/21,275.59 = 12,569.97/x
  3. Step 3: Cross multiply
    14,253.32x = 21,275.59 × 12,569.97
  4. Step 4: Simplify right side
    14,253.32x = 267,433,521.98
  5. Step 5: Solve for x
    x = 267,433,521.98/14,253.32
  6. Step 6: Final answer
    x = 18,762.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.