Home / 12,469.29-18,700.74-3,702.17

Finding the Fourth Proportional to 12,469.29, 18,700.74 and 3,702.17

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Solution

The fourth proportional to 12,469.29, 18,700.74 and 3,702.17 is: 5,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469.29 : 18,700.74 = 3,702.17 : x
  2. Step 2: Convert to fraction form
    12,469.29/18,700.74 = 3,702.17/x
  3. Step 3: Cross multiply
    12,469.29x = 18,700.74 × 3,702.17
  4. Step 4: Simplify right side
    12,469.29x = 69,233,300.09
  5. Step 5: Solve for x
    x = 69,233,300.09/12,469.29
  6. Step 6: Final answer
    x = 5,552.30

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1.5x scale

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.