Home / 23,127.06-31,915.22-12,516.68

Finding the Fourth Proportional to 23,127.06, 31,915.22 and 12,516.68

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Solution

The fourth proportional to 23,127.06, 31,915.22 and 12,516.68 is: 17,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,127.06 : 31,915.22 = 12,516.68 : x
  2. Step 2: Convert to fraction form
    23,127.06/31,915.22 = 12,516.68/x
  3. Step 3: Cross multiply
    23,127.06x = 31,915.22 × 12,516.68
  4. Step 4: Simplify right side
    23,127.06x = 399,472,595.87
  5. Step 5: Solve for x
    x = 399,472,595.87/23,127.06
  6. Step 6: Final answer
    x = 17,272.95

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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.