Home / 14,654.82-20,223.18-8,281.65

Finding the Fourth Proportional to 14,654.82, 20,223.18 and 8,281.65

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Solution

The fourth proportional to 14,654.82, 20,223.18 and 8,281.65 is: 11,428.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.82 : 20,223.18 = 8,281.65 : x
  2. Step 2: Convert to fraction form
    14,654.82/20,223.18 = 8,281.65/x
  3. Step 3: Cross multiply
    14,654.82x = 20,223.18 × 8,281.65
  4. Step 4: Simplify right side
    14,654.82x = 167,481,298.65
  5. Step 5: Solve for x
    x = 167,481,298.65/14,654.82
  6. Step 6: Final answer
    x = 11,428.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.