Home / 11,579.13-15,979.10-6,544.57

Finding the Fourth Proportional to 11,579.13, 15,979.10 and 6,544.57

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Solution

The fourth proportional to 11,579.13, 15,979.10 and 6,544.57 is: 9,031.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.13 : 15,979.10 = 6,544.57 : x
  2. Step 2: Convert to fraction form
    11,579.13/15,979.10 = 6,544.57/x
  3. Step 3: Cross multiply
    11,579.13x = 15,979.10 × 6,544.57
  4. Step 4: Simplify right side
    11,579.13x = 104,576,338.49
  5. Step 5: Solve for x
    x = 104,576,338.49/11,579.13
  6. Step 6: Final answer
    x = 9,031.45

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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.