Home / 19,350.35-29,025.57-5,310.56

Finding the Fourth Proportional to 19,350.35, 29,025.57 and 5,310.56

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Solution

The fourth proportional to 19,350.35, 29,025.57 and 5,310.56 is: 7,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,350.35 : 29,025.57 = 5,310.56 : x
  2. Step 2: Convert to fraction form
    19,350.35/29,025.57 = 5,310.56/x
  3. Step 3: Cross multiply
    19,350.35x = 29,025.57 × 5,310.56
  4. Step 4: Simplify right side
    19,350.35x = 154,142,031.02
  5. Step 5: Solve for x
    x = 154,142,031.02/19,350.35
  6. Step 6: Final answer
    x = 7,965.85

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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.