Home / 12,261.97-18,376.77-4,862.38

Finding the Fourth Proportional to 12,261.97, 18,376.77 and 4,862.38

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Solution

The fourth proportional to 12,261.97, 18,376.77 and 4,862.38 is: 7,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.97 : 18,376.77 = 4,862.38 : x
  2. Step 2: Convert to fraction form
    12,261.97/18,376.77 = 4,862.38/x
  3. Step 3: Cross multiply
    12,261.97x = 18,376.77 × 4,862.38
  4. Step 4: Simplify right side
    12,261.97x = 89,354,838.91
  5. Step 5: Solve for x
    x = 89,354,838.91/12,261.97
  6. Step 6: Final answer
    x = 7,287.15

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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.