Home / 13,562.40-20,348.60-5,665.74

Finding the Fourth Proportional to 13,562.40, 20,348.60 and 5,665.74

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Solution

The fourth proportional to 13,562.40, 20,348.60 and 5,665.74 is: 8,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562.40 : 20,348.60 = 5,665.74 : x
  2. Step 2: Convert to fraction form
    13,562.40/20,348.60 = 5,665.74/x
  3. Step 3: Cross multiply
    13,562.40x = 20,348.60 × 5,665.74
  4. Step 4: Simplify right side
    13,562.40x = 115,289,876.96
  5. Step 5: Solve for x
    x = 115,289,876.96/13,562.40
  6. Step 6: Final answer
    x = 8,500.70

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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.