Home / 18,557.92-25,589.28-14,299.48

Finding the Fourth Proportional to 18,557.92, 25,589.28 and 14,299.48

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Solution

The fourth proportional to 18,557.92, 25,589.28 and 14,299.48 is: 19,717.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557.92 : 25,589.28 = 14,299.48 : x
  2. Step 2: Convert to fraction form
    18,557.92/25,589.28 = 14,299.48/x
  3. Step 3: Cross multiply
    18,557.92x = 25,589.28 × 14,299.48
  4. Step 4: Simplify right side
    18,557.92x = 365,913,397.57
  5. Step 5: Solve for x
    x = 365,913,397.57/18,557.92
  6. Step 6: Final answer
    x = 19,717.37

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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.