Home / 15,144.86-22,720.95-4,756.61

Finding the Fourth Proportional to 15,144.86, 22,720.95 and 4,756.61

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Solution

The fourth proportional to 15,144.86, 22,720.95 and 4,756.61 is: 7,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.86 : 22,720.95 = 4,756.61 : x
  2. Step 2: Convert to fraction form
    15,144.86/22,720.95 = 4,756.61/x
  3. Step 3: Cross multiply
    15,144.86x = 22,720.95 × 4,756.61
  4. Step 4: Simplify right side
    15,144.86x = 108,074,754.78
  5. Step 5: Solve for x
    x = 108,074,754.78/15,144.86
  6. Step 6: Final answer
    x = 7,136.07

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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.