Home / 10,606.40-15,877.20-8,273.60

Finding the Fourth Proportional to 10,606.40, 15,877.20 and 8,273.60

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Solution

The fourth proportional to 10,606.40, 15,877.20 and 8,273.60 is: 12,385.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,606.40 : 15,877.20 = 8,273.60 : x
  2. Step 2: Convert to fraction form
    10,606.40/15,877.20 = 8,273.60/x
  3. Step 3: Cross multiply
    10,606.40x = 15,877.20 × 8,273.60
  4. Step 4: Simplify right side
    10,606.40x = 131,361,601.92
  5. Step 5: Solve for x
    x = 131,361,601.92/10,606.40
  6. Step 6: Final answer
    x = 12,385.13

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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.