Home / 10,177.30-15,248-8,913.80

Finding the Fourth Proportional to 10,177.30, 15,248 and 8,913.80

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Solution

The fourth proportional to 10,177.30, 15,248 and 8,913.80 is: 13,354.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.30 : 15,248 = 8,913.80 : x
  2. Step 2: Convert to fraction form
    10,177.30/15,248 = 8,913.80/x
  3. Step 3: Cross multiply
    10,177.30x = 15,248 × 8,913.80
  4. Step 4: Simplify right side
    10,177.30x = 135,917,622.40
  5. Step 5: Solve for x
    x = 135,917,622.40/10,177.30
  6. Step 6: Final answer
    x = 13,354.98

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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.