Home / 15,372.12-23,065.47-9,144.41

Finding the Fourth Proportional to 15,372.12, 23,065.47 and 9,144.41

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Solution

The fourth proportional to 15,372.12, 23,065.47 and 9,144.41 is: 13,720.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,372.12 : 23,065.47 = 9,144.41 : x
  2. Step 2: Convert to fraction form
    15,372.12/23,065.47 = 9,144.41/x
  3. Step 3: Cross multiply
    15,372.12x = 23,065.47 × 9,144.41
  4. Step 4: Simplify right side
    15,372.12x = 210,920,114.52
  5. Step 5: Solve for x
    x = 210,920,114.52/15,372.12
  6. Step 6: Final answer
    x = 13,720.95

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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.