Home / 10,221.24-15,339.48-7,594.80

Finding the Fourth Proportional to 10,221.24, 15,339.48 and 7,594.80

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Solution

The fourth proportional to 10,221.24, 15,339.48 and 7,594.80 is: 11,397.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.24 : 15,339.48 = 7,594.80 : x
  2. Step 2: Convert to fraction form
    10,221.24/15,339.48 = 7,594.80/x
  3. Step 3: Cross multiply
    10,221.24x = 15,339.48 × 7,594.80
  4. Step 4: Simplify right side
    10,221.24x = 116,500,282.70
  5. Step 5: Solve for x
    x = 116,500,282.70/10,221.24
  6. Step 6: Final answer
    x = 11,397.86

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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.