Home / 9,329.40-12,874.68-5,350.50

Finding the Fourth Proportional to 9,329.40, 12,874.68 and 5,350.50

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Solution

The fourth proportional to 9,329.40, 12,874.68 and 5,350.50 is: 7,383.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.40 : 12,874.68 = 5,350.50 : x
  2. Step 2: Convert to fraction form
    9,329.40/12,874.68 = 5,350.50/x
  3. Step 3: Cross multiply
    9,329.40x = 12,874.68 × 5,350.50
  4. Step 4: Simplify right side
    9,329.40x = 68,885,975.34
  5. Step 5: Solve for x
    x = 68,885,975.34/9,329.40
  6. Step 6: Final answer
    x = 7,383.75

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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.