Home / 18,275.12-25,219.44-9,891.44

Finding the Fourth Proportional to 18,275.12, 25,219.44 and 9,891.44

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Solution

The fourth proportional to 18,275.12, 25,219.44 and 9,891.44 is: 13,650.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.12 : 25,219.44 = 9,891.44 : x
  2. Step 2: Convert to fraction form
    18,275.12/25,219.44 = 9,891.44/x
  3. Step 3: Cross multiply
    18,275.12x = 25,219.44 × 9,891.44
  4. Step 4: Simplify right side
    18,275.12x = 249,456,577.59
  5. Step 5: Solve for x
    x = 249,456,577.59/18,275.12
  6. Step 6: Final answer
    x = 13,650.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.