Home / 14,778.16-22,149.42-6,454.60

Finding the Fourth Proportional to 14,778.16, 22,149.42 and 6,454.60

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Solution

The fourth proportional to 14,778.16, 22,149.42 and 6,454.60 is: 9,674.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778.16 : 22,149.42 = 6,454.60 : x
  2. Step 2: Convert to fraction form
    14,778.16/22,149.42 = 6,454.60/x
  3. Step 3: Cross multiply
    14,778.16x = 22,149.42 × 6,454.60
  4. Step 4: Simplify right side
    14,778.16x = 142,965,646.33
  5. Step 5: Solve for x
    x = 142,965,646.33/14,778.16
  6. Step 6: Final answer
    x = 9,674.12

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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.