Home / 10,959.57-15,125.81-6,243.75

Finding the Fourth Proportional to 10,959.57, 15,125.81 and 6,243.75

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Solution

The fourth proportional to 10,959.57, 15,125.81 and 6,243.75 is: 8,617.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959.57 : 15,125.81 = 6,243.75 : x
  2. Step 2: Convert to fraction form
    10,959.57/15,125.81 = 6,243.75/x
  3. Step 3: Cross multiply
    10,959.57x = 15,125.81 × 6,243.75
  4. Step 4: Simplify right side
    10,959.57x = 94,441,744.97
  5. Step 5: Solve for x
    x = 94,441,744.97/10,959.57
  6. Step 6: Final answer
    x = 8,617.29

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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.