Home / 14,108.86-21,166.35-4,247.38

Finding the Fourth Proportional to 14,108.86, 21,166.35 and 4,247.38

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Solution

The fourth proportional to 14,108.86, 21,166.35 and 4,247.38 is: 6,371.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.86 : 21,166.35 = 4,247.38 : x
  2. Step 2: Convert to fraction form
    14,108.86/21,166.35 = 4,247.38/x
  3. Step 3: Cross multiply
    14,108.86x = 21,166.35 × 4,247.38
  4. Step 4: Simplify right side
    14,108.86x = 89,901,531.66
  5. Step 5: Solve for x
    x = 89,901,531.66/14,108.86
  6. Step 6: Final answer
    x = 6,371.99

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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.