Home / 9,456.48-13,037.22-6,620.04

Finding the Fourth Proportional to 9,456.48, 13,037.22 and 6,620.04

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Solution

The fourth proportional to 9,456.48, 13,037.22 and 6,620.04 is: 9,126.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,456.48 : 13,037.22 = 6,620.04 : x
  2. Step 2: Convert to fraction form
    9,456.48/13,037.22 = 6,620.04/x
  3. Step 3: Cross multiply
    9,456.48x = 13,037.22 × 6,620.04
  4. Step 4: Simplify right side
    9,456.48x = 86,306,917.89
  5. Step 5: Solve for x
    x = 86,306,917.89/9,456.48
  6. Step 6: Final answer
    x = 9,126.75

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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.