Home / 18,732.32-25,848.40-10,348.32

Finding the Fourth Proportional to 18,732.32, 25,848.40 and 10,348.32

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Solution

The fourth proportional to 18,732.32, 25,848.40 and 10,348.32 is: 14,279.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732.32 : 25,848.40 = 10,348.32 : x
  2. Step 2: Convert to fraction form
    18,732.32/25,848.40 = 10,348.32/x
  3. Step 3: Cross multiply
    18,732.32x = 25,848.40 × 10,348.32
  4. Step 4: Simplify right side
    18,732.32x = 267,487,514.69
  5. Step 5: Solve for x
    x = 267,487,514.69/18,732.32
  6. Step 6: Final answer
    x = 14,279.47

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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.