Home / 18,713.40-25,824.32-10,329.88

Finding the Fourth Proportional to 18,713.40, 25,824.32 and 10,329.88

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Solution

The fourth proportional to 18,713.40, 25,824.32 and 10,329.88 is: 14,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713.40 : 25,824.32 = 10,329.88 : x
  2. Step 2: Convert to fraction form
    18,713.40/25,824.32 = 10,329.88/x
  3. Step 3: Cross multiply
    18,713.40x = 25,824.32 × 10,329.88
  4. Step 4: Simplify right side
    18,713.40x = 266,762,126.68
  5. Step 5: Solve for x
    x = 266,762,126.68/18,713.40
  6. Step 6: Final answer
    x = 14,255.14

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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.