Home / 8,357.15-11,529.46-5,168.18

Finding the Fourth Proportional to 8,357.15, 11,529.46 and 5,168.18

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Solution

The fourth proportional to 8,357.15, 11,529.46 and 5,168.18 is: 7,129.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.15 : 11,529.46 = 5,168.18 : x
  2. Step 2: Convert to fraction form
    8,357.15/11,529.46 = 5,168.18/x
  3. Step 3: Cross multiply
    8,357.15x = 11,529.46 × 5,168.18
  4. Step 4: Simplify right side
    8,357.15x = 59,586,324.58
  5. Step 5: Solve for x
    x = 59,586,324.58/8,357.15
  6. Step 6: Final answer
    x = 7,129.98

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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.