Home / 19,517.14-29,274.66-5,478.13

Finding the Fourth Proportional to 19,517.14, 29,274.66 and 5,478.13

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Solution

The fourth proportional to 19,517.14, 29,274.66 and 5,478.13 is: 8,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.14 : 29,274.66 = 5,478.13 : x
  2. Step 2: Convert to fraction form
    19,517.14/29,274.66 = 5,478.13/x
  3. Step 3: Cross multiply
    19,517.14x = 29,274.66 × 5,478.13
  4. Step 4: Simplify right side
    19,517.14x = 160,370,393.19
  5. Step 5: Solve for x
    x = 160,370,393.19/19,517.14
  6. Step 6: Final answer
    x = 8,216.90

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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.