Home / 14,134.19-21,201.28-5,811.98

Finding the Fourth Proportional to 14,134.19, 21,201.28 and 5,811.98

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Solution

The fourth proportional to 14,134.19, 21,201.28 and 5,811.98 is: 8,717.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.19 : 21,201.28 = 5,811.98 : x
  2. Step 2: Convert to fraction form
    14,134.19/21,201.28 = 5,811.98/x
  3. Step 3: Cross multiply
    14,134.19x = 21,201.28 × 5,811.98
  4. Step 4: Simplify right side
    14,134.19x = 123,221,294.80
  5. Step 5: Solve for x
    x = 123,221,294.80/14,134.19
  6. Step 6: Final answer
    x = 8,717.96

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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.