Home / 18,954.38-26,155.23-10,571.42

Finding the Fourth Proportional to 18,954.38, 26,155.23 and 10,571.42

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Solution

The fourth proportional to 18,954.38, 26,155.23 and 10,571.42 is: 14,587.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.38 : 26,155.23 = 10,571.42 : x
  2. Step 2: Convert to fraction form
    18,954.38/26,155.23 = 10,571.42/x
  3. Step 3: Cross multiply
    18,954.38x = 26,155.23 × 10,571.42
  4. Step 4: Simplify right side
    18,954.38x = 276,497,921.53
  5. Step 5: Solve for x
    x = 276,497,921.53/18,954.38
  6. Step 6: Final answer
    x = 14,587.55

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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.