Home / 10,347.89-15,517.31-2,950.70

Finding the Fourth Proportional to 10,347.89, 15,517.31 and 2,950.70

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Solution

The fourth proportional to 10,347.89, 15,517.31 and 2,950.70 is: 4,424.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.89 : 15,517.31 = 2,950.70 : x
  2. Step 2: Convert to fraction form
    10,347.89/15,517.31 = 2,950.70/x
  3. Step 3: Cross multiply
    10,347.89x = 15,517.31 × 2,950.70
  4. Step 4: Simplify right side
    10,347.89x = 45,786,834.28
  5. Step 5: Solve for x
    x = 45,786,834.28/10,347.89
  6. Step 6: Final answer
    x = 4,424.75

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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.