Home / 9,275.70-13,920.39-6,817.15

Finding the Fourth Proportional to 9,275.70, 13,920.39 and 6,817.15

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Solution

The fourth proportional to 9,275.70, 13,920.39 and 6,817.15 is: 10,230.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,275.70 : 13,920.39 = 6,817.15 : x
  2. Step 2: Convert to fraction form
    9,275.70/13,920.39 = 6,817.15/x
  3. Step 3: Cross multiply
    9,275.70x = 13,920.39 × 6,817.15
  4. Step 4: Simplify right side
    9,275.70x = 94,897,386.69
  5. Step 5: Solve for x
    x = 94,897,386.69/9,275.70
  6. Step 6: Final answer
    x = 10,230.75

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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.