Home / 15,146.41-22,718-5,285.88

Finding the Fourth Proportional to 15,146.41, 22,718 and 5,285.88

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Solution

The fourth proportional to 15,146.41, 22,718 and 5,285.88 is: 7,928.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146.41 : 22,718 = 5,285.88 : x
  2. Step 2: Convert to fraction form
    15,146.41/22,718 = 5,285.88/x
  3. Step 3: Cross multiply
    15,146.41x = 22,718 × 5,285.88
  4. Step 4: Simplify right side
    15,146.41x = 120,084,621.84
  5. Step 5: Solve for x
    x = 120,084,621.84/15,146.41
  6. Step 6: Final answer
    x = 7,928.26

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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.