Home / 17,923.20-26,876.10-5,440.98

Finding the Fourth Proportional to 17,923.20, 26,876.10 and 5,440.98

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Solution

The fourth proportional to 17,923.20, 26,876.10 and 5,440.98 is: 8,158.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,923.20 : 26,876.10 = 5,440.98 : x
  2. Step 2: Convert to fraction form
    17,923.20/26,876.10 = 5,440.98/x
  3. Step 3: Cross multiply
    17,923.20x = 26,876.10 × 5,440.98
  4. Step 4: Simplify right side
    17,923.20x = 146,232,322.58
  5. Step 5: Solve for x
    x = 146,232,322.58/17,923.20
  6. Step 6: Final answer
    x = 8,158.83

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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.