Home / 9,925.20-14,855.04-8,285.04

Finding the Fourth Proportional to 9,925.20, 14,855.04 and 8,285.04

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Solution

The fourth proportional to 9,925.20, 14,855.04 and 8,285.04 is: 12,400.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,925.20 : 14,855.04 = 8,285.04 : x
  2. Step 2: Convert to fraction form
    9,925.20/14,855.04 = 8,285.04/x
  3. Step 3: Cross multiply
    9,925.20x = 14,855.04 × 8,285.04
  4. Step 4: Simplify right side
    9,925.20x = 123,074,600.60
  5. Step 5: Solve for x
    x = 123,074,600.60/9,925.20
  6. Step 6: Final answer
    x = 12,400.21

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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.