Home / 9,646.75-13,306.56-6,620.49

Finding the Fourth Proportional to 9,646.75, 13,306.56 and 6,620.49

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Solution

The fourth proportional to 9,646.75, 13,306.56 and 6,620.49 is: 9,132.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,646.75 : 13,306.56 = 6,620.49 : x
  2. Step 2: Convert to fraction form
    9,646.75/13,306.56 = 6,620.49/x
  3. Step 3: Cross multiply
    9,646.75x = 13,306.56 × 6,620.49
  4. Step 4: Simplify right side
    9,646.75x = 88,095,930.86
  5. Step 5: Solve for x
    x = 88,095,930.86/9,646.75
  6. Step 6: Final answer
    x = 9,132.19

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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.