Home / 11,508.08-15,881.27-6,728.27

Finding the Fourth Proportional to 11,508.08, 15,881.27 and 6,728.27

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Solution

The fourth proportional to 11,508.08, 15,881.27 and 6,728.27 is: 9,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508.08 : 15,881.27 = 6,728.27 : x
  2. Step 2: Convert to fraction form
    11,508.08/15,881.27 = 6,728.27/x
  3. Step 3: Cross multiply
    11,508.08x = 15,881.27 × 6,728.27
  4. Step 4: Simplify right side
    11,508.08x = 106,853,359.46
  5. Step 5: Solve for x
    x = 106,853,359.46/11,508.08
  6. Step 6: Final answer
    x = 9,285.08

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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.