Home / 21,671.38-32,508.20-6,881.46

Finding the Fourth Proportional to 21,671.38, 32,508.20 and 6,881.46

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Solution

The fourth proportional to 21,671.38, 32,508.20 and 6,881.46 is: 10,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,671.38 : 32,508.20 = 6,881.46 : x
  2. Step 2: Convert to fraction form
    21,671.38/32,508.20 = 6,881.46/x
  3. Step 3: Cross multiply
    21,671.38x = 32,508.20 × 6,881.46
  4. Step 4: Simplify right side
    21,671.38x = 223,703,681.02
  5. Step 5: Solve for x
    x = 223,703,681.02/21,671.38
  6. Step 6: Final answer
    x = 10,322.54

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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.