Home / 13,555.92-20,335.52-4,789.04

Finding the Fourth Proportional to 13,555.92, 20,335.52 and 4,789.04

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Solution

The fourth proportional to 13,555.92, 20,335.52 and 4,789.04 is: 7,184.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555.92 : 20,335.52 = 4,789.04 : x
  2. Step 2: Convert to fraction form
    13,555.92/20,335.52 = 4,789.04/x
  3. Step 3: Cross multiply
    13,555.92x = 20,335.52 × 4,789.04
  4. Step 4: Simplify right side
    13,555.92x = 97,387,618.70
  5. Step 5: Solve for x
    x = 97,387,618.70/13,555.92
  6. Step 6: Final answer
    x = 7,184.14

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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.