Home / 11,028.56-15,217.76-6,312.08

Finding the Fourth Proportional to 11,028.56, 15,217.76 and 6,312.08

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Solution

The fourth proportional to 11,028.56, 15,217.76 and 6,312.08 is: 8,709.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.56 : 15,217.76 = 6,312.08 : x
  2. Step 2: Convert to fraction form
    11,028.56/15,217.76 = 6,312.08/x
  3. Step 3: Cross multiply
    11,028.56x = 15,217.76 × 6,312.08
  4. Step 4: Simplify right side
    11,028.56x = 96,055,718.54
  5. Step 5: Solve for x
    x = 96,055,718.54/11,028.56
  6. Step 6: Final answer
    x = 8,709.72

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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.