Home / 12,470.02-18,702.88-4,572.11

Finding the Fourth Proportional to 12,470.02, 18,702.88 and 4,572.11

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Solution

The fourth proportional to 12,470.02, 18,702.88 and 4,572.11 is: 6,857.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.02 : 18,702.88 = 4,572.11 : x
  2. Step 2: Convert to fraction form
    12,470.02/18,702.88 = 4,572.11/x
  3. Step 3: Cross multiply
    12,470.02x = 18,702.88 × 4,572.11
  4. Step 4: Simplify right side
    12,470.02x = 85,511,624.68
  5. Step 5: Solve for x
    x = 85,511,624.68/12,470.02
  6. Step 6: Final answer
    x = 6,857.38

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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.