Home / 20,541.18-30,815.93-8,694.93

Finding the Fourth Proportional to 20,541.18, 30,815.93 and 8,694.93

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Solution

The fourth proportional to 20,541.18, 30,815.93 and 8,694.93 is: 13,044.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541.18 : 30,815.93 = 8,694.93 : x
  2. Step 2: Convert to fraction form
    20,541.18/30,815.93 = 8,694.93/x
  3. Step 3: Cross multiply
    20,541.18x = 30,815.93 × 8,694.93
  4. Step 4: Simplify right side
    20,541.18x = 267,942,354.23
  5. Step 5: Solve for x
    x = 267,942,354.23/20,541.18
  6. Step 6: Final answer
    x = 13,044.16

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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.