Home / 14,889.92-20,548.32-8,603.20

Finding the Fourth Proportional to 14,889.92, 20,548.32 and 8,603.20

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Solution

The fourth proportional to 14,889.92, 20,548.32 and 8,603.20 is: 11,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,889.92 : 20,548.32 = 8,603.20 : x
  2. Step 2: Convert to fraction form
    14,889.92/20,548.32 = 8,603.20/x
  3. Step 3: Cross multiply
    14,889.92x = 20,548.32 × 8,603.20
  4. Step 4: Simplify right side
    14,889.92x = 176,781,306.62
  5. Step 5: Solve for x
    x = 176,781,306.62/14,889.92
  6. Step 6: Final answer
    x = 11,872.55

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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.