Home / 15,948.72-23,867.28-11,257.92

Finding the Fourth Proportional to 15,948.72, 23,867.28 and 11,257.92

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Solution

The fourth proportional to 15,948.72, 23,867.28 and 11,257.92 is: 16,847.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,948.72 : 23,867.28 = 11,257.92 : x
  2. Step 2: Convert to fraction form
    15,948.72/23,867.28 = 11,257.92/x
  3. Step 3: Cross multiply
    15,948.72x = 23,867.28 × 11,257.92
  4. Step 4: Simplify right side
    15,948.72x = 268,695,928.86
  5. Step 5: Solve for x
    x = 268,695,928.86/15,948.72
  6. Step 6: Final answer
    x = 16,847.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.