Home / 23,163.60-34,696.80-12,763.20

Finding the Fourth Proportional to 23,163.60, 34,696.80 and 12,763.20

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Solution

The fourth proportional to 23,163.60, 34,696.80 and 12,763.20 is: 19,118.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,163.60 : 34,696.80 = 12,763.20 : x
  2. Step 2: Convert to fraction form
    23,163.60/34,696.80 = 12,763.20/x
  3. Step 3: Cross multiply
    23,163.60x = 34,696.80 × 12,763.20
  4. Step 4: Simplify right side
    23,163.60x = 442,842,197.76
  5. Step 5: Solve for x
    x = 442,842,197.76/23,163.60
  6. Step 6: Final answer
    x = 19,118.02

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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.