Home / 18,288.38-25,237.78-10,330.94

Finding the Fourth Proportional to 18,288.38, 25,237.78 and 10,330.94

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Solution

The fourth proportional to 18,288.38, 25,237.78 and 10,330.94 is: 14,256.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.38 : 25,237.78 = 10,330.94 : x
  2. Step 2: Convert to fraction form
    18,288.38/25,237.78 = 10,330.94/x
  3. Step 3: Cross multiply
    18,288.38x = 25,237.78 × 10,330.94
  4. Step 4: Simplify right side
    18,288.38x = 260,730,028.18
  5. Step 5: Solve for x
    x = 260,730,028.18/18,288.38
  6. Step 6: Final answer
    x = 14,256.59

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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.