Home / 18,253.41-25,184.68-10,987.57

Finding the Fourth Proportional to 18,253.41, 25,184.68 and 10,987.57

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Solution

The fourth proportional to 18,253.41, 25,184.68 and 10,987.57 is: 15,159.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.41 : 25,184.68 = 10,987.57 : x
  2. Step 2: Convert to fraction form
    18,253.41/25,184.68 = 10,987.57/x
  3. Step 3: Cross multiply
    18,253.41x = 25,184.68 × 10,987.57
  4. Step 4: Simplify right side
    18,253.41x = 276,718,434.43
  5. Step 5: Solve for x
    x = 276,718,434.43/18,253.41
  6. Step 6: Final answer
    x = 15,159.82

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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.