Home / 10,191.60-15,284.43-5,262.75

Finding the Fourth Proportional to 10,191.60, 15,284.43 and 5,262.75

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Solution

The fourth proportional to 10,191.60, 15,284.43 and 5,262.75 is: 7,892.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.60 : 15,284.43 = 5,262.75 : x
  2. Step 2: Convert to fraction form
    10,191.60/15,284.43 = 5,262.75/x
  3. Step 3: Cross multiply
    10,191.60x = 15,284.43 × 5,262.75
  4. Step 4: Simplify right side
    10,191.60x = 80,438,133.98
  5. Step 5: Solve for x
    x = 80,438,133.98/10,191.60
  6. Step 6: Final answer
    x = 7,892.59

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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.