Home / 11,028.76-15,216.24-6,312.13

Finding the Fourth Proportional to 11,028.76, 15,216.24 and 6,312.13

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Solution

The fourth proportional to 11,028.76, 15,216.24 and 6,312.13 is: 8,708.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.76 : 15,216.24 = 6,312.13 : x
  2. Step 2: Convert to fraction form
    11,028.76/15,216.24 = 6,312.13/x
  3. Step 3: Cross multiply
    11,028.76x = 15,216.24 × 6,312.13
  4. Step 4: Simplify right side
    11,028.76x = 96,046,884.99
  5. Step 5: Solve for x
    x = 96,046,884.99/11,028.76
  6. Step 6: Final answer
    x = 8,708.77

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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.