Home / 10,197.12-15,287.52-5,267.52

Finding the Fourth Proportional to 10,197.12, 15,287.52 and 5,267.52

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Solution

The fourth proportional to 10,197.12, 15,287.52 and 5,267.52 is: 7,897.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.12 : 15,287.52 = 5,267.52 : x
  2. Step 2: Convert to fraction form
    10,197.12/15,287.52 = 5,267.52/x
  3. Step 3: Cross multiply
    10,197.12x = 15,287.52 × 5,267.52
  4. Step 4: Simplify right side
    10,197.12x = 80,527,317.35
  5. Step 5: Solve for x
    x = 80,527,317.35/10,197.12
  6. Step 6: Final answer
    x = 7,897.06

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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.