Home / 14,865.24-22,278.38-11,138.20

Finding the Fourth Proportional to 14,865.24, 22,278.38 and 11,138.20

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Solution

The fourth proportional to 14,865.24, 22,278.38 and 11,138.20 is: 16,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.24 : 22,278.38 = 11,138.20 : x
  2. Step 2: Convert to fraction form
    14,865.24/22,278.38 = 11,138.20/x
  3. Step 3: Cross multiply
    14,865.24x = 22,278.38 × 11,138.20
  4. Step 4: Simplify right side
    14,865.24x = 248,141,052.12
  5. Step 5: Solve for x
    x = 248,141,052.12/14,865.24
  6. Step 6: Final answer
    x = 16,692.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.