Home / 11,459.65-17,160.30-7,552.21

Finding the Fourth Proportional to 11,459.65, 17,160.30 and 7,552.21

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Solution

The fourth proportional to 11,459.65, 17,160.30 and 7,552.21 is: 11,309.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459.65 : 17,160.30 = 7,552.21 : x
  2. Step 2: Convert to fraction form
    11,459.65/17,160.30 = 7,552.21/x
  3. Step 3: Cross multiply
    11,459.65x = 17,160.30 × 7,552.21
  4. Step 4: Simplify right side
    11,459.65x = 129,598,189.26
  5. Step 5: Solve for x
    x = 129,598,189.26/11,459.65
  6. Step 6: Final answer
    x = 11,309.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.