Home / 14,319.60-21,474.12-4,957.20

Finding the Fourth Proportional to 14,319.60, 21,474.12 and 4,957.20

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Solution

The fourth proportional to 14,319.60, 21,474.12 and 4,957.20 is: 7,433.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.60 : 21,474.12 = 4,957.20 : x
  2. Step 2: Convert to fraction form
    14,319.60/21,474.12 = 4,957.20/x
  3. Step 3: Cross multiply
    14,319.60x = 21,474.12 × 4,957.20
  4. Step 4: Simplify right side
    14,319.60x = 106,451,507.66
  5. Step 5: Solve for x
    x = 106,451,507.66/14,319.60
  6. Step 6: Final answer
    x = 7,433.97

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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.