Home / 13,358.52-20,000.76-6,752.40

Finding the Fourth Proportional to 13,358.52, 20,000.76 and 6,752.40

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Solution

The fourth proportional to 13,358.52, 20,000.76 and 6,752.40 is: 10,109.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.52 : 20,000.76 = 6,752.40 : x
  2. Step 2: Convert to fraction form
    13,358.52/20,000.76 = 6,752.40/x
  3. Step 3: Cross multiply
    13,358.52x = 20,000.76 × 6,752.40
  4. Step 4: Simplify right side
    13,358.52x = 135,053,131.82
  5. Step 5: Solve for x
    x = 135,053,131.82/13,358.52
  6. Step 6: Final answer
    x = 10,109.89

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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.