Home / 13,274.41-18,318.54-9,294.07

Finding the Fourth Proportional to 13,274.41, 18,318.54 and 9,294.07

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Solution

The fourth proportional to 13,274.41, 18,318.54 and 9,294.07 is: 12,825.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.41 : 18,318.54 = 9,294.07 : x
  2. Step 2: Convert to fraction form
    13,274.41/18,318.54 = 9,294.07/x
  3. Step 3: Cross multiply
    13,274.41x = 18,318.54 × 9,294.07
  4. Step 4: Simplify right side
    13,274.41x = 170,253,793.06
  5. Step 5: Solve for x
    x = 170,253,793.06/13,274.41
  6. Step 6: Final answer
    x = 12,825.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.