Home / 10,229.04-15,336.45-5,221.68

Finding the Fourth Proportional to 10,229.04, 15,336.45 and 5,221.68

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Solution

The fourth proportional to 10,229.04, 15,336.45 and 5,221.68 is: 7,828.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,229.04 : 15,336.45 = 5,221.68 : x
  2. Step 2: Convert to fraction form
    10,229.04/15,336.45 = 5,221.68/x
  3. Step 3: Cross multiply
    10,229.04x = 15,336.45 × 5,221.68
  4. Step 4: Simplify right side
    10,229.04x = 80,082,034.24
  5. Step 5: Solve for x
    x = 80,082,034.24/10,229.04
  6. Step 6: Final answer
    x = 7,828.89

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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.