Home / 14,753.20-20,357.92-9,087.04

Finding the Fourth Proportional to 14,753.20, 20,357.92 and 9,087.04

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Solution

The fourth proportional to 14,753.20, 20,357.92 and 9,087.04 is: 12,539.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,753.20 : 20,357.92 = 9,087.04 : x
  2. Step 2: Convert to fraction form
    14,753.20/20,357.92 = 9,087.04/x
  3. Step 3: Cross multiply
    14,753.20x = 20,357.92 × 9,087.04
  4. Step 4: Simplify right side
    14,753.20x = 184,993,233.36
  5. Step 5: Solve for x
    x = 184,993,233.36/14,753.20
  6. Step 6: Final answer
    x = 12,539.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.