Home / 21,540.69-32,311.05-6,750.77

Finding the Fourth Proportional to 21,540.69, 32,311.05 and 6,750.77

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Solution

The fourth proportional to 21,540.69, 32,311.05 and 6,750.77 is: 10,126.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,540.69 : 32,311.05 = 6,750.77 : x
  2. Step 2: Convert to fraction form
    21,540.69/32,311.05 = 6,750.77/x
  3. Step 3: Cross multiply
    21,540.69x = 32,311.05 × 6,750.77
  4. Step 4: Simplify right side
    21,540.69x = 218,124,305.45
  5. Step 5: Solve for x
    x = 218,124,305.45/21,540.69
  6. Step 6: Final answer
    x = 10,126.15

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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.