Home / 9,681.75-13,358.77-6,329.49

Finding the Fourth Proportional to 9,681.75, 13,358.77 and 6,329.49

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Solution

The fourth proportional to 9,681.75, 13,358.77 and 6,329.49 is: 8,733.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681.75 : 13,358.77 = 6,329.49 : x
  2. Step 2: Convert to fraction form
    9,681.75/13,358.77 = 6,329.49/x
  3. Step 3: Cross multiply
    9,681.75x = 13,358.77 × 6,329.49
  4. Step 4: Simplify right side
    9,681.75x = 84,554,201.13
  5. Step 5: Solve for x
    x = 84,554,201.13/9,681.75
  6. Step 6: Final answer
    x = 8,733.36

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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.