Home / 21,818.60-32,706.30-10,716.20

Finding the Fourth Proportional to 21,818.60, 32,706.30 and 10,716.20

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Solution

The fourth proportional to 21,818.60, 32,706.30 and 10,716.20 is: 16,063.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,818.60 : 32,706.30 = 10,716.20 : x
  2. Step 2: Convert to fraction form
    21,818.60/32,706.30 = 10,716.20/x
  3. Step 3: Cross multiply
    21,818.60x = 32,706.30 × 10,716.20
  4. Step 4: Simplify right side
    21,818.60x = 350,487,252.06
  5. Step 5: Solve for x
    x = 350,487,252.06/21,818.60
  6. Step 6: Final answer
    x = 16,063.69

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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.