Home / 14,053.20-21,088.56-5,286.96

Finding the Fourth Proportional to 14,053.20, 21,088.56 and 5,286.96

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Solution

The fourth proportional to 14,053.20, 21,088.56 and 5,286.96 is: 7,933.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.20 : 21,088.56 = 5,286.96 : x
  2. Step 2: Convert to fraction form
    14,053.20/21,088.56 = 5,286.96/x
  3. Step 3: Cross multiply
    14,053.20x = 21,088.56 × 5,286.96
  4. Step 4: Simplify right side
    14,053.20x = 111,494,373.18
  5. Step 5: Solve for x
    x = 111,494,373.18/14,053.20
  6. Step 6: Final answer
    x = 7,933.74

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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.