Home / 9,869.13-13,623.24-6,680.87

Finding the Fourth Proportional to 9,869.13, 13,623.24 and 6,680.87

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Solution

The fourth proportional to 9,869.13, 13,623.24 and 6,680.87 is: 9,222.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869.13 : 13,623.24 = 6,680.87 : x
  2. Step 2: Convert to fraction form
    9,869.13/13,623.24 = 6,680.87/x
  3. Step 3: Cross multiply
    9,869.13x = 13,623.24 × 6,680.87
  4. Step 4: Simplify right side
    9,869.13x = 91,015,027.30
  5. Step 5: Solve for x
    x = 91,015,027.30/9,869.13
  6. Step 6: Final answer
    x = 9,222.19

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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.