Home / 9,441.60-14,176.80-5,553.60

Finding the Fourth Proportional to 9,441.60, 14,176.80 and 5,553.60

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Solution

The fourth proportional to 9,441.60, 14,176.80 and 5,553.60 is: 8,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,441.60 : 14,176.80 = 5,553.60 : x
  2. Step 2: Convert to fraction form
    9,441.60/14,176.80 = 5,553.60/x
  3. Step 3: Cross multiply
    9,441.60x = 14,176.80 × 5,553.60
  4. Step 4: Simplify right side
    9,441.60x = 78,732,276.48
  5. Step 5: Solve for x
    x = 78,732,276.48/9,441.60
  6. Step 6: Final answer
    x = 8,338.87

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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.