Home / 15,079.80-22,586.76-7,272.21

Finding the Fourth Proportional to 15,079.80, 22,586.76 and 7,272.21

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Solution

The fourth proportional to 15,079.80, 22,586.76 and 7,272.21 is: 10,892.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,079.80 : 22,586.76 = 7,272.21 : x
  2. Step 2: Convert to fraction form
    15,079.80/22,586.76 = 7,272.21/x
  3. Step 3: Cross multiply
    15,079.80x = 22,586.76 × 7,272.21
  4. Step 4: Simplify right side
    15,079.80x = 164,255,661.94
  5. Step 5: Solve for x
    x = 164,255,661.94/15,079.80
  6. Step 6: Final answer
    x = 10,892.43

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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.