Home / 11,253.93-15,530.13-6,218.64

Finding the Fourth Proportional to 11,253.93, 15,530.13 and 6,218.64

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Solution

The fourth proportional to 11,253.93, 15,530.13 and 6,218.64 is: 8,581.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.93 : 15,530.13 = 6,218.64 : x
  2. Step 2: Convert to fraction form
    11,253.93/15,530.13 = 6,218.64/x
  3. Step 3: Cross multiply
    11,253.93x = 15,530.13 × 6,218.64
  4. Step 4: Simplify right side
    11,253.93x = 96,576,287.62
  5. Step 5: Solve for x
    x = 96,576,287.62/11,253.93
  6. Step 6: Final answer
    x = 8,581.56

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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.