Home / 9,769.92-13,482.66-5,578.20

Finding the Fourth Proportional to 9,769.92, 13,482.66 and 5,578.20

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Solution

The fourth proportional to 9,769.92, 13,482.66 and 5,578.20 is: 7,698.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,769.92 : 13,482.66 = 5,578.20 : x
  2. Step 2: Convert to fraction form
    9,769.92/13,482.66 = 5,578.20/x
  3. Step 3: Cross multiply
    9,769.92x = 13,482.66 × 5,578.20
  4. Step 4: Simplify right side
    9,769.92x = 75,208,974.01
  5. Step 5: Solve for x
    x = 75,208,974.01/9,769.92
  6. Step 6: Final answer
    x = 7,698.01

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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.