Home / 13,403.97-20,095.45-8,463.23

Finding the Fourth Proportional to 13,403.97, 20,095.45 and 8,463.23

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Solution

The fourth proportional to 13,403.97, 20,095.45 and 8,463.23 is: 12,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.97 : 20,095.45 = 8,463.23 : x
  2. Step 2: Convert to fraction form
    13,403.97/20,095.45 = 8,463.23/x
  3. Step 3: Cross multiply
    13,403.97x = 20,095.45 × 8,463.23
  4. Step 4: Simplify right side
    13,403.97x = 170,072,541.57
  5. Step 5: Solve for x
    x = 170,072,541.57/13,403.97
  6. Step 6: Final answer
    x = 12,688.22

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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.