Home / 9,540.87-13,176.70-7,441.35

Finding the Fourth Proportional to 9,540.87, 13,176.70 and 7,441.35

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Solution

The fourth proportional to 9,540.87, 13,176.70 and 7,441.35 is: 10,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,540.87 : 13,176.70 = 7,441.35 : x
  2. Step 2: Convert to fraction form
    9,540.87/13,176.70 = 7,441.35/x
  3. Step 3: Cross multiply
    9,540.87x = 13,176.70 × 7,441.35
  4. Step 4: Simplify right side
    9,540.87x = 98,052,463.58
  5. Step 5: Solve for x
    x = 98,052,463.58/9,540.87
  6. Step 6: Final answer
    x = 10,277.10

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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.