Home / 10,238.58-15,358.68-4,393.71

Finding the Fourth Proportional to 10,238.58, 15,358.68 and 4,393.71

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Solution

The fourth proportional to 10,238.58, 15,358.68 and 4,393.71 is: 6,590.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,238.58 : 15,358.68 = 4,393.71 : x
  2. Step 2: Convert to fraction form
    10,238.58/15,358.68 = 4,393.71/x
  3. Step 3: Cross multiply
    10,238.58x = 15,358.68 × 4,393.71
  4. Step 4: Simplify right side
    10,238.58x = 67,481,585.90
  5. Step 5: Solve for x
    x = 67,481,585.90/10,238.58
  6. Step 6: Final answer
    x = 6,590.91

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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.