Home / 9,939.16-13,722.08-6,584.88

Finding the Fourth Proportional to 9,939.16, 13,722.08 and 6,584.88

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Solution

The fourth proportional to 9,939.16, 13,722.08 and 6,584.88 is: 9,091.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.16 : 13,722.08 = 6,584.88 : x
  2. Step 2: Convert to fraction form
    9,939.16/13,722.08 = 6,584.88/x
  3. Step 3: Cross multiply
    9,939.16x = 13,722.08 × 6,584.88
  4. Step 4: Simplify right side
    9,939.16x = 90,358,250.15
  5. Step 5: Solve for x
    x = 90,358,250.15/9,939.16
  6. Step 6: Final answer
    x = 9,091.14

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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.