Home / 13,624.08-20,432.88-3,763.14

Finding the Fourth Proportional to 13,624.08, 20,432.88 and 3,763.14

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Solution

The fourth proportional to 13,624.08, 20,432.88 and 3,763.14 is: 5,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.08 : 20,432.88 = 3,763.14 : x
  2. Step 2: Convert to fraction form
    13,624.08/20,432.88 = 3,763.14/x
  3. Step 3: Cross multiply
    13,624.08x = 20,432.88 × 3,763.14
  4. Step 4: Simplify right side
    13,624.08x = 76,891,788.04
  5. Step 5: Solve for x
    x = 76,891,788.04/13,624.08
  6. Step 6: Final answer
    x = 5,643.82

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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.