Home / 15,111.28-22,632.72-8,078.86

Finding the Fourth Proportional to 15,111.28, 22,632.72 and 8,078.86

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Solution

The fourth proportional to 15,111.28, 22,632.72 and 8,078.86 is: 12,100.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,111.28 : 22,632.72 = 8,078.86 : x
  2. Step 2: Convert to fraction form
    15,111.28/22,632.72 = 8,078.86/x
  3. Step 3: Cross multiply
    15,111.28x = 22,632.72 × 8,078.86
  4. Step 4: Simplify right side
    15,111.28x = 182,846,576.30
  5. Step 5: Solve for x
    x = 182,846,576.30/15,111.28
  6. Step 6: Final answer
    x = 12,100.01

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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.