Home / 21,551.63-32,327.45-6,761.70

Finding the Fourth Proportional to 21,551.63, 32,327.45 and 6,761.70

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Solution

The fourth proportional to 21,551.63, 32,327.45 and 6,761.70 is: 10,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551.63 : 32,327.45 = 6,761.70 : x
  2. Step 2: Convert to fraction form
    21,551.63/32,327.45 = 6,761.70/x
  3. Step 3: Cross multiply
    21,551.63x = 32,327.45 × 6,761.70
  4. Step 4: Simplify right side
    21,551.63x = 218,588,484.86
  5. Step 5: Solve for x
    x = 218,588,484.86/21,551.63
  6. Step 6: Final answer
    x = 10,142.55

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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.