Home / 9,111.66-12,574.64-5,575.56

Finding the Fourth Proportional to 9,111.66, 12,574.64 and 5,575.56

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Solution

The fourth proportional to 9,111.66, 12,574.64 and 5,575.56 is: 7,694.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111.66 : 12,574.64 = 5,575.56 : x
  2. Step 2: Convert to fraction form
    9,111.66/12,574.64 = 5,575.56/x
  3. Step 3: Cross multiply
    9,111.66x = 12,574.64 × 5,575.56
  4. Step 4: Simplify right side
    9,111.66x = 70,110,631.92
  5. Step 5: Solve for x
    x = 70,110,631.92/9,111.66
  6. Step 6: Final answer
    x = 7,694.61

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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.