Home / 19,608.20-29,399.29-7,126.74

Finding the Fourth Proportional to 19,608.20, 29,399.29 and 7,126.74

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Solution

The fourth proportional to 19,608.20, 29,399.29 and 7,126.74 is: 10,685.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,608.20 : 29,399.29 = 7,126.74 : x
  2. Step 2: Convert to fraction form
    19,608.20/29,399.29 = 7,126.74/x
  3. Step 3: Cross multiply
    19,608.20x = 29,399.29 × 7,126.74
  4. Step 4: Simplify right side
    19,608.20x = 209,520,949.02
  5. Step 5: Solve for x
    x = 209,520,949.02/19,608.20
  6. Step 6: Final answer
    x = 10,685.38

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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.