Home / 10,894.28-15,034.23-6,115.25

Finding the Fourth Proportional to 10,894.28, 15,034.23 and 6,115.25

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Solution

The fourth proportional to 10,894.28, 15,034.23 and 6,115.25 is: 8,439.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894.28 : 15,034.23 = 6,115.25 : x
  2. Step 2: Convert to fraction form
    10,894.28/15,034.23 = 6,115.25/x
  3. Step 3: Cross multiply
    10,894.28x = 15,034.23 × 6,115.25
  4. Step 4: Simplify right side
    10,894.28x = 91,937,999.84
  5. Step 5: Solve for x
    x = 91,937,999.84/10,894.28
  6. Step 6: Final answer
    x = 8,439.11

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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.