Home / 12,235.52-18,358.80-5,217.44

Finding the Fourth Proportional to 12,235.52, 18,358.80 and 5,217.44

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Solution

The fourth proportional to 12,235.52, 18,358.80 and 5,217.44 is: 7,828.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235.52 : 18,358.80 = 5,217.44 : x
  2. Step 2: Convert to fraction form
    12,235.52/18,358.80 = 5,217.44/x
  3. Step 3: Cross multiply
    12,235.52x = 18,358.80 × 5,217.44
  4. Step 4: Simplify right side
    12,235.52x = 95,785,937.47
  5. Step 5: Solve for x
    x = 95,785,937.47/12,235.52
  6. Step 6: Final answer
    x = 7,828.51

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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.