Home / 15,671.44-23,491.80-6,443.92

Finding the Fourth Proportional to 15,671.44, 23,491.80 and 6,443.92

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Solution

The fourth proportional to 15,671.44, 23,491.80 and 6,443.92 is: 9,659.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,671.44 : 23,491.80 = 6,443.92 : x
  2. Step 2: Convert to fraction form
    15,671.44/23,491.80 = 6,443.92/x
  3. Step 3: Cross multiply
    15,671.44x = 23,491.80 × 6,443.92
  4. Step 4: Simplify right side
    15,671.44x = 151,379,279.86
  5. Step 5: Solve for x
    x = 151,379,279.86/15,671.44
  6. Step 6: Final answer
    x = 9,659.56

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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.