Home / 9,880.33-13,636.10-6,480.20

Finding the Fourth Proportional to 9,880.33, 13,636.10 and 6,480.20

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Solution

The fourth proportional to 9,880.33, 13,636.10 and 6,480.20 is: 8,943.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.33 : 13,636.10 = 6,480.20 : x
  2. Step 2: Convert to fraction form
    9,880.33/13,636.10 = 6,480.20/x
  3. Step 3: Cross multiply
    9,880.33x = 13,636.10 × 6,480.20
  4. Step 4: Simplify right side
    9,880.33x = 88,364,554.64
  5. Step 5: Solve for x
    x = 88,364,554.64/9,880.33
  6. Step 6: Final answer
    x = 8,943.48

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Find fourth proportional to 9,881.33, 13,637.48 and 6,481.20
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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.