Home / 9,645.98-13,306.38-6,287.36

Finding the Fourth Proportional to 9,645.98, 13,306.38 and 6,287.36

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Solution

The fourth proportional to 9,645.98, 13,306.38 and 6,287.36 is: 8,673.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,645.98 : 13,306.38 = 6,287.36 : x
  2. Step 2: Convert to fraction form
    9,645.98/13,306.38 = 6,287.36/x
  3. Step 3: Cross multiply
    9,645.98x = 13,306.38 × 6,287.36
  4. Step 4: Simplify right side
    9,645.98x = 83,662,001.36
  5. Step 5: Solve for x
    x = 83,662,001.36/9,645.98
  6. Step 6: Final answer
    x = 8,673.25

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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.