Home / 18,089.32-24,963.51-10,131.49

Finding the Fourth Proportional to 18,089.32, 24,963.51 and 10,131.49

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Solution

The fourth proportional to 18,089.32, 24,963.51 and 10,131.49 is: 13,981.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.32 : 24,963.51 = 10,131.49 : x
  2. Step 2: Convert to fraction form
    18,089.32/24,963.51 = 10,131.49/x
  3. Step 3: Cross multiply
    18,089.32x = 24,963.51 × 10,131.49
  4. Step 4: Simplify right side
    18,089.32x = 252,917,551.93
  5. Step 5: Solve for x
    x = 252,917,551.93/18,089.32
  6. Step 6: Final answer
    x = 13,981.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.