Home / 12,506.28-18,764.46-4,717.32

Finding the Fourth Proportional to 12,506.28, 18,764.46 and 4,717.32

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Solution

The fourth proportional to 12,506.28, 18,764.46 and 4,717.32 is: 7,077.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.28 : 18,764.46 = 4,717.32 : x
  2. Step 2: Convert to fraction form
    12,506.28/18,764.46 = 4,717.32/x
  3. Step 3: Cross multiply
    12,506.28x = 18,764.46 × 4,717.32
  4. Step 4: Simplify right side
    12,506.28x = 88,517,962.45
  5. Step 5: Solve for x
    x = 88,517,962.45/12,506.28
  6. Step 6: Final answer
    x = 7,077.88

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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.