Home / 18,376.67-25,359.05-10,418.74

Finding the Fourth Proportional to 18,376.67, 25,359.05 and 10,418.74

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Solution

The fourth proportional to 18,376.67, 25,359.05 and 10,418.74 is: 14,377.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.67 : 25,359.05 = 10,418.74 : x
  2. Step 2: Convert to fraction form
    18,376.67/25,359.05 = 10,418.74/x
  3. Step 3: Cross multiply
    18,376.67x = 25,359.05 × 10,418.74
  4. Step 4: Simplify right side
    18,376.67x = 264,209,311.25
  5. Step 5: Solve for x
    x = 264,209,311.25/18,376.67
  6. Step 6: Final answer
    x = 14,377.43

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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.