Home / 10,367.40-15,514.65-7,086.90

Finding the Fourth Proportional to 10,367.40, 15,514.65 and 7,086.90

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Solution

The fourth proportional to 10,367.40, 15,514.65 and 7,086.90 is: 10,605.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.40 : 15,514.65 = 7,086.90 : x
  2. Step 2: Convert to fraction form
    10,367.40/15,514.65 = 7,086.90/x
  3. Step 3: Cross multiply
    10,367.40x = 15,514.65 × 7,086.90
  4. Step 4: Simplify right side
    10,367.40x = 109,950,773.09
  5. Step 5: Solve for x
    x = 109,950,773.09/10,367.40
  6. Step 6: Final answer
    x = 10,605.43

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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.