Home / 12,620.26-17,416.11-7,316.65

Finding the Fourth Proportional to 12,620.26, 17,416.11 and 7,316.65

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Solution

The fourth proportional to 12,620.26, 17,416.11 and 7,316.65 is: 10,097.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,620.26 : 17,416.11 = 7,316.65 : x
  2. Step 2: Convert to fraction form
    12,620.26/17,416.11 = 7,316.65/x
  3. Step 3: Cross multiply
    12,620.26x = 17,416.11 × 7,316.65
  4. Step 4: Simplify right side
    12,620.26x = 127,427,581.23
  5. Step 5: Solve for x
    x = 127,427,581.23/12,620.26
  6. Step 6: Final answer
    x = 10,097.06

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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.