Home / 18,376.27-25,348.55-13,334.63

Finding the Fourth Proportional to 18,376.27, 25,348.55 and 13,334.63

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Solution

The fourth proportional to 18,376.27, 25,348.55 and 13,334.63 is: 18,394.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.27 : 25,348.55 = 13,334.63 : x
  2. Step 2: Convert to fraction form
    18,376.27/25,348.55 = 13,334.63/x
  3. Step 3: Cross multiply
    18,376.27x = 25,348.55 × 13,334.63
  4. Step 4: Simplify right side
    18,376.27x = 338,013,341.87
  5. Step 5: Solve for x
    x = 338,013,341.87/18,376.27
  6. Step 6: Final answer
    x = 18,394.02

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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.