Home / 9,326.50-13,989.75-3,170.50

Finding the Fourth Proportional to 9,326.50, 13,989.75 and 3,170.50

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Solution

The fourth proportional to 9,326.50, 13,989.75 and 3,170.50 is: 4,755.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.50 : 13,989.75 = 3,170.50 : x
  2. Step 2: Convert to fraction form
    9,326.50/13,989.75 = 3,170.50/x
  3. Step 3: Cross multiply
    9,326.50x = 13,989.75 × 3,170.50
  4. Step 4: Simplify right side
    9,326.50x = 44,354,502.38
  5. Step 5: Solve for x
    x = 44,354,502.38/9,326.50
  6. Step 6: Final answer
    x = 4,755.75

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1.5x scale

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.