Home / 18,376.03-25,358.15-10,418.79

Finding the Fourth Proportional to 18,376.03, 25,358.15 and 10,418.79

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Solution

The fourth proportional to 18,376.03, 25,358.15 and 10,418.79 is: 14,377.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.03 : 25,358.15 = 10,418.79 : x
  2. Step 2: Convert to fraction form
    18,376.03/25,358.15 = 10,418.79/x
  3. Step 3: Cross multiply
    18,376.03x = 25,358.15 × 10,418.79
  4. Step 4: Simplify right side
    18,376.03x = 264,201,265.69
  5. Step 5: Solve for x
    x = 264,201,265.69/18,376.03
  6. Step 6: Final answer
    x = 14,377.50

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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.