Home / 15,728.68-23,467.01-12,551.32

Finding the Fourth Proportional to 15,728.68, 23,467.01 and 12,551.32

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Solution

The fourth proportional to 15,728.68, 23,467.01 and 12,551.32 is: 18,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,728.68 : 23,467.01 = 12,551.32 : x
  2. Step 2: Convert to fraction form
    15,728.68/23,467.01 = 12,551.32/x
  3. Step 3: Cross multiply
    15,728.68x = 23,467.01 × 12,551.32
  4. Step 4: Simplify right side
    15,728.68x = 294,541,951.95
  5. Step 5: Solve for x
    x = 294,541,951.95/15,728.68
  6. Step 6: Final answer
    x = 18,726.43

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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.