Home / 9,477.36-13,081.36-5,499.75

Finding the Fourth Proportional to 9,477.36, 13,081.36 and 5,499.75

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Solution

The fourth proportional to 9,477.36, 13,081.36 and 5,499.75 is: 7,591.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,477.36 : 13,081.36 = 5,499.75 : x
  2. Step 2: Convert to fraction form
    9,477.36/13,081.36 = 5,499.75/x
  3. Step 3: Cross multiply
    9,477.36x = 13,081.36 × 5,499.75
  4. Step 4: Simplify right side
    9,477.36x = 71,944,195.91
  5. Step 5: Solve for x
    x = 71,944,195.91/9,477.36
  6. Step 6: Final answer
    x = 7,591.16

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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.