Home / 11,744.81-16,208.85-6,440.66

Finding the Fourth Proportional to 11,744.81, 16,208.85 and 6,440.66

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Solution

The fourth proportional to 11,744.81, 16,208.85 and 6,440.66 is: 8,888.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,744.81 : 16,208.85 = 6,440.66 : x
  2. Step 2: Convert to fraction form
    11,744.81/16,208.85 = 6,440.66/x
  3. Step 3: Cross multiply
    11,744.81x = 16,208.85 × 6,440.66
  4. Step 4: Simplify right side
    11,744.81x = 104,395,610.80
  5. Step 5: Solve for x
    x = 104,395,610.80/11,744.81
  6. Step 6: Final answer
    x = 8,888.66

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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.