Home / 9,812.30-14,718.45-7,622.60

Finding the Fourth Proportional to 9,812.30, 14,718.45 and 7,622.60

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Solution

The fourth proportional to 9,812.30, 14,718.45 and 7,622.60 is: 11,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,812.30 : 14,718.45 = 7,622.60 : x
  2. Step 2: Convert to fraction form
    9,812.30/14,718.45 = 7,622.60/x
  3. Step 3: Cross multiply
    9,812.30x = 14,718.45 × 7,622.60
  4. Step 4: Simplify right side
    9,812.30x = 112,192,856.97
  5. Step 5: Solve for x
    x = 112,192,856.97/9,812.30
  6. Step 6: Final answer
    x = 11,433.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.