Home / 12,470.29-18,702.23-3,703.17

Finding the Fourth Proportional to 12,470.29, 18,702.23 and 3,703.17

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Solution

The fourth proportional to 12,470.29, 18,702.23 and 3,703.17 is: 5,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.29 : 18,702.23 = 3,703.17 : x
  2. Step 2: Convert to fraction form
    12,470.29/18,702.23 = 3,703.17/x
  3. Step 3: Cross multiply
    12,470.29x = 18,702.23 × 3,703.17
  4. Step 4: Simplify right side
    12,470.29x = 69,257,537.07
  5. Step 5: Solve for x
    x = 69,257,537.07/12,470.29
  6. Step 6: Final answer
    x = 5,553.80

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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.