Home / 18,381.65-25,371.89-10,832.36

Finding the Fourth Proportional to 18,381.65, 25,371.89 and 10,832.36

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Solution

The fourth proportional to 18,381.65, 25,371.89 and 10,832.36 is: 14,951.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381.65 : 25,371.89 = 10,832.36 : x
  2. Step 2: Convert to fraction form
    18,381.65/25,371.89 = 10,832.36/x
  3. Step 3: Cross multiply
    18,381.65x = 25,371.89 × 10,832.36
  4. Step 4: Simplify right side
    18,381.65x = 274,837,265.34
  5. Step 5: Solve for x
    x = 274,837,265.34/18,381.65
  6. Step 6: Final answer
    x = 14,951.72

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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.