Home / 19,350.26-29,025.39-5,310.35

Finding the Fourth Proportional to 19,350.26, 29,025.39 and 5,310.35

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Solution

The fourth proportional to 19,350.26, 29,025.39 and 5,310.35 is: 7,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,350.26 : 29,025.39 = 5,310.35 : x
  2. Step 2: Convert to fraction form
    19,350.26/29,025.39 = 5,310.35/x
  3. Step 3: Cross multiply
    19,350.26x = 29,025.39 × 5,310.35
  4. Step 4: Simplify right side
    19,350.26x = 154,134,979.79
  5. Step 5: Solve for x
    x = 154,134,979.79/19,350.26
  6. Step 6: Final answer
    x = 7,965.53

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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.