Home / 18,279.12-25,224.96-9,895.44

Finding the Fourth Proportional to 18,279.12, 25,224.96 and 9,895.44

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Solution

The fourth proportional to 18,279.12, 25,224.96 and 9,895.44 is: 13,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.12 : 25,224.96 = 9,895.44 : x
  2. Step 2: Convert to fraction form
    18,279.12/25,224.96 = 9,895.44/x
  3. Step 3: Cross multiply
    18,279.12x = 25,224.96 × 9,895.44
  4. Step 4: Simplify right side
    18,279.12x = 249,612,078.18
  5. Step 5: Solve for x
    x = 249,612,078.18/18,279.12
  6. Step 6: Final answer
    x = 13,655.59

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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.