Home / 21,340.46-32,019.91-8,863.22

Finding the Fourth Proportional to 21,340.46, 32,019.91 and 8,863.22

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Solution

The fourth proportional to 21,340.46, 32,019.91 and 8,863.22 is: 13,298.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340.46 : 32,019.91 = 8,863.22 : x
  2. Step 2: Convert to fraction form
    21,340.46/32,019.91 = 8,863.22/x
  3. Step 3: Cross multiply
    21,340.46x = 32,019.91 × 8,863.22
  4. Step 4: Simplify right side
    21,340.46x = 283,799,564.60
  5. Step 5: Solve for x
    x = 283,799,564.60/21,340.46
  6. Step 6: Final answer
    x = 13,298.66

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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.