Home / 15,132.88-22,709.68-5,272.16

Finding the Fourth Proportional to 15,132.88, 22,709.68 and 5,272.16

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Solution

The fourth proportional to 15,132.88, 22,709.68 and 5,272.16 is: 7,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132.88 : 22,709.68 = 5,272.16 : x
  2. Step 2: Convert to fraction form
    15,132.88/22,709.68 = 5,272.16/x
  3. Step 3: Cross multiply
    15,132.88x = 22,709.68 × 5,272.16
  4. Step 4: Simplify right side
    15,132.88x = 119,729,066.51
  5. Step 5: Solve for x
    x = 119,729,066.51/15,132.88
  6. Step 6: Final answer
    x = 7,911.85

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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.