Home / 12,680.72-19,024.19-4,360.86

Finding the Fourth Proportional to 12,680.72, 19,024.19 and 4,360.86

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Solution

The fourth proportional to 12,680.72, 19,024.19 and 4,360.86 is: 6,542.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680.72 : 19,024.19 = 4,360.86 : x
  2. Step 2: Convert to fraction form
    12,680.72/19,024.19 = 4,360.86/x
  3. Step 3: Cross multiply
    12,680.72x = 19,024.19 × 4,360.86
  4. Step 4: Simplify right side
    12,680.72x = 82,961,807.40
  5. Step 5: Solve for x
    x = 82,961,807.40/12,680.72
  6. Step 6: Final answer
    x = 6,542.36

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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.