Home / 9,561.78-13,194.90-5,369.76

Finding the Fourth Proportional to 9,561.78, 13,194.90 and 5,369.76

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Solution

The fourth proportional to 9,561.78, 13,194.90 and 5,369.76 is: 7,410.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,561.78 : 13,194.90 = 5,369.76 : x
  2. Step 2: Convert to fraction form
    9,561.78/13,194.90 = 5,369.76/x
  3. Step 3: Cross multiply
    9,561.78x = 13,194.90 × 5,369.76
  4. Step 4: Simplify right side
    9,561.78x = 70,853,446.22
  5. Step 5: Solve for x
    x = 70,853,446.22/9,561.78
  6. Step 6: Final answer
    x = 7,410.07

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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.