Home / 11,510.72-17,279.76-11,041.28

Finding the Fourth Proportional to 11,510.72, 17,279.76 and 11,041.28

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Solution

The fourth proportional to 11,510.72, 17,279.76 and 11,041.28 is: 16,575.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.72 : 17,279.76 = 11,041.28 : x
  2. Step 2: Convert to fraction form
    11,510.72/17,279.76 = 11,041.28/x
  3. Step 3: Cross multiply
    11,510.72x = 17,279.76 × 11,041.28
  4. Step 4: Simplify right side
    11,510.72x = 190,790,668.49
  5. Step 5: Solve for x
    x = 190,790,668.49/11,510.72
  6. Step 6: Final answer
    x = 16,575.04

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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.