Home / 10,278.29-15,418.52-3,259.30

Finding the Fourth Proportional to 10,278.29, 15,418.52 and 3,259.30

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Solution

The fourth proportional to 10,278.29, 15,418.52 and 3,259.30 is: 4,889.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.29 : 15,418.52 = 3,259.30 : x
  2. Step 2: Convert to fraction form
    10,278.29/15,418.52 = 3,259.30/x
  3. Step 3: Cross multiply
    10,278.29x = 15,418.52 × 3,259.30
  4. Step 4: Simplify right side
    10,278.29x = 50,253,582.24
  5. Step 5: Solve for x
    x = 50,253,582.24/10,278.29
  6. Step 6: Final answer
    x = 4,889.29

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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.