Home / 14,805.67-20,433.03-8,434.26

Finding the Fourth Proportional to 14,805.67, 20,433.03 and 8,434.26

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Solution

The fourth proportional to 14,805.67, 20,433.03 and 8,434.26 is: 11,639.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,805.67 : 20,433.03 = 8,434.26 : x
  2. Step 2: Convert to fraction form
    14,805.67/20,433.03 = 8,434.26/x
  3. Step 3: Cross multiply
    14,805.67x = 20,433.03 × 8,434.26
  4. Step 4: Simplify right side
    14,805.67x = 172,337,487.61
  5. Step 5: Solve for x
    x = 172,337,487.61/14,805.67
  6. Step 6: Final answer
    x = 11,639.97

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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.