Home / 11,158.65-15,398.82-6,122.79

Finding the Fourth Proportional to 11,158.65, 15,398.82 and 6,122.79

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Solution

The fourth proportional to 11,158.65, 15,398.82 and 6,122.79 is: 8,449.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,158.65 : 15,398.82 = 6,122.79 : x
  2. Step 2: Convert to fraction form
    11,158.65/15,398.82 = 6,122.79/x
  3. Step 3: Cross multiply
    11,158.65x = 15,398.82 × 6,122.79
  4. Step 4: Simplify right side
    11,158.65x = 94,283,741.11
  5. Step 5: Solve for x
    x = 94,283,741.11/11,158.65
  6. Step 6: Final answer
    x = 8,449.39

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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.