Home / 12,253.14-18,377.46-3,488.40

Finding the Fourth Proportional to 12,253.14, 18,377.46 and 3,488.40

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Solution

The fourth proportional to 12,253.14, 18,377.46 and 3,488.40 is: 5,231.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.14 : 18,377.46 = 3,488.40 : x
  2. Step 2: Convert to fraction form
    12,253.14/18,377.46 = 3,488.40/x
  3. Step 3: Cross multiply
    12,253.14x = 18,377.46 × 3,488.40
  4. Step 4: Simplify right side
    12,253.14x = 64,107,931.46
  5. Step 5: Solve for x
    x = 64,107,931.46/12,253.14
  6. Step 6: Final answer
    x = 5,231.96

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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.