Home / 18,237.08-25,164.72-10,278.68

Finding the Fourth Proportional to 18,237.08, 25,164.72 and 10,278.68

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Solution

The fourth proportional to 18,237.08, 25,164.72 and 10,278.68 is: 14,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.08 : 25,164.72 = 10,278.68 : x
  2. Step 2: Convert to fraction form
    18,237.08/25,164.72 = 10,278.68/x
  3. Step 3: Cross multiply
    18,237.08x = 25,164.72 × 10,278.68
  4. Step 4: Simplify right side
    18,237.08x = 258,660,104.17
  5. Step 5: Solve for x
    x = 258,660,104.17/18,237.08
  6. Step 6: Final answer
    x = 14,183.20

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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.