Home / 10,662.28-14,713.79-6,186.79

Finding the Fourth Proportional to 10,662.28, 14,713.79 and 6,186.79

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Solution

The fourth proportional to 10,662.28, 14,713.79 and 6,186.79 is: 8,537.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662.28 : 14,713.79 = 6,186.79 : x
  2. Step 2: Convert to fraction form
    10,662.28/14,713.79 = 6,186.79/x
  3. Step 3: Cross multiply
    10,662.28x = 14,713.79 × 6,186.79
  4. Step 4: Simplify right side
    10,662.28x = 91,031,128.83
  5. Step 5: Solve for x
    x = 91,031,128.83/10,662.28
  6. Step 6: Final answer
    x = 8,537.68

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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.