Home / 21,708.20-32,562.30-6,123.80

Finding the Fourth Proportional to 21,708.20, 32,562.30 and 6,123.80

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Solution

The fourth proportional to 21,708.20, 32,562.30 and 6,123.80 is: 9,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708.20 : 32,562.30 = 6,123.80 : x
  2. Step 2: Convert to fraction form
    21,708.20/32,562.30 = 6,123.80/x
  3. Step 3: Cross multiply
    21,708.20x = 32,562.30 × 6,123.80
  4. Step 4: Simplify right side
    21,708.20x = 199,405,012.74
  5. Step 5: Solve for x
    x = 199,405,012.74/21,708.20
  6. Step 6: Final answer
    x = 9,185.70

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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.