Home / 21,677.38-32,512.67-6,884.35

Finding the Fourth Proportional to 21,677.38, 32,512.67 and 6,884.35

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Solution

The fourth proportional to 21,677.38, 32,512.67 and 6,884.35 is: 10,325.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,677.38 : 32,512.67 = 6,884.35 : x
  2. Step 2: Convert to fraction form
    21,677.38/32,512.67 = 6,884.35/x
  3. Step 3: Cross multiply
    21,677.38x = 32,512.67 × 6,884.35
  4. Step 4: Simplify right side
    21,677.38x = 223,828,484.01
  5. Step 5: Solve for x
    x = 223,828,484.01/21,677.38
  6. Step 6: Final answer
    x = 10,325.44

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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.