Home / 11,019.42-15,203.10-6,238.71

Finding the Fourth Proportional to 11,019.42, 15,203.10 and 6,238.71

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Solution

The fourth proportional to 11,019.42, 15,203.10 and 6,238.71 is: 8,607.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.42 : 15,203.10 = 6,238.71 : x
  2. Step 2: Convert to fraction form
    11,019.42/15,203.10 = 6,238.71/x
  3. Step 3: Cross multiply
    11,019.42x = 15,203.10 × 6,238.71
  4. Step 4: Simplify right side
    11,019.42x = 94,847,732.00
  5. Step 5: Solve for x
    x = 94,847,732.00/11,019.42
  6. Step 6: Final answer
    x = 8,607.33

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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.