Home / 19,370.13-29,055.26-5,519.13

Finding the Fourth Proportional to 19,370.13, 29,055.26 and 5,519.13

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Solution

The fourth proportional to 19,370.13, 29,055.26 and 5,519.13 is: 8,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.13 : 29,055.26 = 5,519.13 : x
  2. Step 2: Convert to fraction form
    19,370.13/29,055.26 = 5,519.13/x
  3. Step 3: Cross multiply
    19,370.13x = 29,055.26 × 5,519.13
  4. Step 4: Simplify right side
    19,370.13x = 160,359,757.12
  5. Step 5: Solve for x
    x = 160,359,757.12/19,370.13
  6. Step 6: Final answer
    x = 8,278.71

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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.