Home / 18,878.24-28,304.94-10,559.14

Finding the Fourth Proportional to 18,878.24, 28,304.94 and 10,559.14

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Solution

The fourth proportional to 18,878.24, 28,304.94 and 10,559.14 is: 15,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878.24 : 28,304.94 = 10,559.14 : x
  2. Step 2: Convert to fraction form
    18,878.24/28,304.94 = 10,559.14/x
  3. Step 3: Cross multiply
    18,878.24x = 28,304.94 × 10,559.14
  4. Step 4: Simplify right side
    18,878.24x = 298,875,824.15
  5. Step 5: Solve for x
    x = 298,875,824.15/18,878.24
  6. Step 6: Final answer
    x = 15,831.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.