Home / 9,680.30-13,362.95-8,195.98

Finding the Fourth Proportional to 9,680.30, 13,362.95 and 8,195.98

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Solution

The fourth proportional to 9,680.30, 13,362.95 and 8,195.98 is: 11,313.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,680.30 : 13,362.95 = 8,195.98 : x
  2. Step 2: Convert to fraction form
    9,680.30/13,362.95 = 8,195.98/x
  3. Step 3: Cross multiply
    9,680.30x = 13,362.95 × 8,195.98
  4. Step 4: Simplify right side
    9,680.30x = 109,522,458.02
  5. Step 5: Solve for x
    x = 109,522,458.02/9,680.30
  6. Step 6: Final answer
    x = 11,313.95

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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.