Home / 11,168.93-15,412.42-6,133.12

Finding the Fourth Proportional to 11,168.93, 15,412.42 and 6,133.12

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Solution

The fourth proportional to 11,168.93, 15,412.42 and 6,133.12 is: 8,463.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.93 : 15,412.42 = 6,133.12 : x
  2. Step 2: Convert to fraction form
    11,168.93/15,412.42 = 6,133.12/x
  3. Step 3: Cross multiply
    11,168.93x = 15,412.42 × 6,133.12
  4. Step 4: Simplify right side
    11,168.93x = 94,526,221.35
  5. Step 5: Solve for x
    x = 94,526,221.35/11,168.93
  6. Step 6: Final answer
    x = 8,463.32

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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.