Home / 13,565.52-20,346.18-5,249.40

Finding the Fourth Proportional to 13,565.52, 20,346.18 and 5,249.40

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Solution

The fourth proportional to 13,565.52, 20,346.18 and 5,249.40 is: 7,873.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.52 : 20,346.18 = 5,249.40 : x
  2. Step 2: Convert to fraction form
    13,565.52/20,346.18 = 5,249.40/x
  3. Step 3: Cross multiply
    13,565.52x = 20,346.18 × 5,249.40
  4. Step 4: Simplify right side
    13,565.52x = 106,805,237.29
  5. Step 5: Solve for x
    x = 106,805,237.29/13,565.52
  6. Step 6: Final answer
    x = 7,873.29

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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.