Home / 9,344.28-12,895.98-6,982.32

Finding the Fourth Proportional to 9,344.28, 12,895.98 and 6,982.32

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Solution

The fourth proportional to 9,344.28, 12,895.98 and 6,982.32 is: 9,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,344.28 : 12,895.98 = 6,982.32 : x
  2. Step 2: Convert to fraction form
    9,344.28/12,895.98 = 6,982.32/x
  3. Step 3: Cross multiply
    9,344.28x = 12,895.98 × 6,982.32
  4. Step 4: Simplify right side
    9,344.28x = 90,043,859.07
  5. Step 5: Solve for x
    x = 90,043,859.07/9,344.28
  6. Step 6: Final answer
    x = 9,636.25

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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.