Home / 9,680.40-13,350.15-6,322.14

Finding the Fourth Proportional to 9,680.40, 13,350.15 and 6,322.14

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Solution

The fourth proportional to 9,680.40, 13,350.15 and 6,322.14 is: 8,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,680.40 : 13,350.15 = 6,322.14 : x
  2. Step 2: Convert to fraction form
    9,680.40/13,350.15 = 6,322.14/x
  3. Step 3: Cross multiply
    9,680.40x = 13,350.15 × 6,322.14
  4. Step 4: Simplify right side
    9,680.40x = 84,401,517.32
  5. Step 5: Solve for x
    x = 84,401,517.32/9,680.40
  6. Step 6: Final answer
    x = 8,718.80

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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.