Home / 14,489.12-21,735.96-5,724.08

Finding the Fourth Proportional to 14,489.12, 21,735.96 and 5,724.08

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Solution

The fourth proportional to 14,489.12, 21,735.96 and 5,724.08 is: 8,587.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489.12 : 21,735.96 = 5,724.08 : x
  2. Step 2: Convert to fraction form
    14,489.12/21,735.96 = 5,724.08/x
  3. Step 3: Cross multiply
    14,489.12x = 21,735.96 × 5,724.08
  4. Step 4: Simplify right side
    14,489.12x = 124,418,373.92
  5. Step 5: Solve for x
    x = 124,418,373.92/14,489.12
  6. Step 6: Final answer
    x = 8,587.02

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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.