Home / 15,429.28-23,104.39-10,678.86

Finding the Fourth Proportional to 15,429.28, 23,104.39 and 10,678.86

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Solution

The fourth proportional to 15,429.28, 23,104.39 and 10,678.86 is: 15,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.28 : 23,104.39 = 10,678.86 : x
  2. Step 2: Convert to fraction form
    15,429.28/23,104.39 = 10,678.86/x
  3. Step 3: Cross multiply
    15,429.28x = 23,104.39 × 10,678.86
  4. Step 4: Simplify right side
    15,429.28x = 246,728,559.54
  5. Step 5: Solve for x
    x = 246,728,559.54/15,429.28
  6. Step 6: Final answer
    x = 15,990.93

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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.