Home / 18,373.70-25,355.97-13,766.32

Finding the Fourth Proportional to 18,373.70, 25,355.97 and 13,766.32

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Solution

The fourth proportional to 18,373.70, 25,355.97 and 13,766.32 is: 18,997.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.70 : 25,355.97 = 13,766.32 : x
  2. Step 2: Convert to fraction form
    18,373.70/25,355.97 = 13,766.32/x
  3. Step 3: Cross multiply
    18,373.70x = 25,355.97 × 13,766.32
  4. Step 4: Simplify right side
    18,373.70x = 349,058,428.63
  5. Step 5: Solve for x
    x = 349,058,428.63/18,373.70
  6. Step 6: Final answer
    x = 18,997.72

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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.