Home / 11,224.06-15,488.40-6,748

Finding the Fourth Proportional to 11,224.06, 15,488.40 and 6,748

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Solution

The fourth proportional to 11,224.06, 15,488.40 and 6,748 is: 9,311.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.06 : 15,488.40 = 6,748 : x
  2. Step 2: Convert to fraction form
    11,224.06/15,488.40 = 6,748/x
  3. Step 3: Cross multiply
    11,224.06x = 15,488.40 × 6,748
  4. Step 4: Simplify right side
    11,224.06x = 104,515,723.20
  5. Step 5: Solve for x
    x = 104,515,723.20/11,224.06
  6. Step 6: Final answer
    x = 9,311.76

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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.