Home / 14,318.67-21,480.05-5,437.34

Finding the Fourth Proportional to 14,318.67, 21,480.05 and 5,437.34

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Solution

The fourth proportional to 14,318.67, 21,480.05 and 5,437.34 is: 8,156.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.67 : 21,480.05 = 5,437.34 : x
  2. Step 2: Convert to fraction form
    14,318.67/21,480.05 = 5,437.34/x
  3. Step 3: Cross multiply
    14,318.67x = 21,480.05 × 5,437.34
  4. Step 4: Simplify right side
    14,318.67x = 116,794,241.26
  5. Step 5: Solve for x
    x = 116,794,241.26/14,318.67
  6. Step 6: Final answer
    x = 8,156.78

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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.