Home / 11,251.36-15,526.78-6,215.70

Finding the Fourth Proportional to 11,251.36, 15,526.78 and 6,215.70

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Solution

The fourth proportional to 11,251.36, 15,526.78 and 6,215.70 is: 8,577.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.36 : 15,526.78 = 6,215.70 : x
  2. Step 2: Convert to fraction form
    11,251.36/15,526.78 = 6,215.70/x
  3. Step 3: Cross multiply
    11,251.36x = 15,526.78 × 6,215.70
  4. Step 4: Simplify right side
    11,251.36x = 96,509,849.13
  5. Step 5: Solve for x
    x = 96,509,849.13/11,251.36
  6. Step 6: Final answer
    x = 8,577.62

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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.