Home / 12,313.28-18,553.04-10,170.02

Finding the Fourth Proportional to 12,313.28, 18,553.04 and 10,170.02

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Solution

The fourth proportional to 12,313.28, 18,553.04 and 10,170.02 is: 15,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313.28 : 18,553.04 = 10,170.02 : x
  2. Step 2: Convert to fraction form
    12,313.28/18,553.04 = 10,170.02/x
  3. Step 3: Cross multiply
    12,313.28x = 18,553.04 × 10,170.02
  4. Step 4: Simplify right side
    12,313.28x = 188,684,787.86
  5. Step 5: Solve for x
    x = 188,684,787.86/12,313.28
  6. Step 6: Final answer
    x = 15,323.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.