Home / 18,937.98-26,133.93-11,868.30

Finding the Fourth Proportional to 18,937.98, 26,133.93 and 11,868.30

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Solution

The fourth proportional to 18,937.98, 26,133.93 and 11,868.30 is: 16,377.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,937.98 : 26,133.93 = 11,868.30 : x
  2. Step 2: Convert to fraction form
    18,937.98/26,133.93 = 11,868.30/x
  3. Step 3: Cross multiply
    18,937.98x = 26,133.93 × 11,868.30
  4. Step 4: Simplify right side
    18,937.98x = 310,165,321.42
  5. Step 5: Solve for x
    x = 310,165,321.42/18,937.98
  6. Step 6: Final answer
    x = 16,377.95

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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.