Home / 9,149.50-13,715.88-4,769.92

Finding the Fourth Proportional to 9,149.50, 13,715.88 and 4,769.92

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Solution

The fourth proportional to 9,149.50, 13,715.88 and 4,769.92 is: 7,150.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.50 : 13,715.88 = 4,769.92 : x
  2. Step 2: Convert to fraction form
    9,149.50/13,715.88 = 4,769.92/x
  3. Step 3: Cross multiply
    9,149.50x = 13,715.88 × 4,769.92
  4. Step 4: Simplify right side
    9,149.50x = 65,423,650.33
  5. Step 5: Solve for x
    x = 65,423,650.33/9,149.50
  6. Step 6: Final answer
    x = 7,150.52

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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.