Home / 10,207.87-14,086.70-5,731.63

Finding the Fourth Proportional to 10,207.87, 14,086.70 and 5,731.63

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Solution

The fourth proportional to 10,207.87, 14,086.70 and 5,731.63 is: 7,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.87 : 14,086.70 = 5,731.63 : x
  2. Step 2: Convert to fraction form
    10,207.87/14,086.70 = 5,731.63/x
  3. Step 3: Cross multiply
    10,207.87x = 14,086.70 × 5,731.63
  4. Step 4: Simplify right side
    10,207.87x = 80,739,723.66
  5. Step 5: Solve for x
    x = 80,739,723.66/10,207.87
  6. Step 6: Final answer
    x = 7,909.56

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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.