Home / 15,243.94-22,728.96-13,942.18

Finding the Fourth Proportional to 15,243.94, 22,728.96 and 13,942.18

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Solution

The fourth proportional to 15,243.94, 22,728.96 and 13,942.18 is: 20,788.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,243.94 : 22,728.96 = 13,942.18 : x
  2. Step 2: Convert to fraction form
    15,243.94/22,728.96 = 13,942.18/x
  3. Step 3: Cross multiply
    15,243.94x = 22,728.96 × 13,942.18
  4. Step 4: Simplify right side
    15,243.94x = 316,891,251.53
  5. Step 5: Solve for x
    x = 316,891,251.53/15,243.94
  6. Step 6: Final answer
    x = 20,788.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.