Home / 11,279.67-15,562.36-6,563.04

Finding the Fourth Proportional to 11,279.67, 15,562.36 and 6,563.04

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Solution

The fourth proportional to 11,279.67, 15,562.36 and 6,563.04 is: 9,054.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.67 : 15,562.36 = 6,563.04 : x
  2. Step 2: Convert to fraction form
    11,279.67/15,562.36 = 6,563.04/x
  3. Step 3: Cross multiply
    11,279.67x = 15,562.36 × 6,563.04
  4. Step 4: Simplify right side
    11,279.67x = 102,136,391.17
  5. Step 5: Solve for x
    x = 102,136,391.17/11,279.67
  6. Step 6: Final answer
    x = 9,054.91

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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.