Home / 11,580.10-15,979.59-6,544.75

Finding the Fourth Proportional to 11,580.10, 15,979.59 and 6,544.75

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Solution

The fourth proportional to 11,580.10, 15,979.59 and 6,544.75 is: 9,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.10 : 15,979.59 = 6,544.75 : x
  2. Step 2: Convert to fraction form
    11,580.10/15,979.59 = 6,544.75/x
  3. Step 3: Cross multiply
    11,580.10x = 15,979.59 × 6,544.75
  4. Step 4: Simplify right side
    11,580.10x = 104,582,421.65
  5. Step 5: Solve for x
    x = 104,582,421.65/11,580.10
  6. Step 6: Final answer
    x = 9,031.22

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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.