Home / 11,287.81-16,927.39-6,665.41

Finding the Fourth Proportional to 11,287.81, 16,927.39 and 6,665.41

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Solution

The fourth proportional to 11,287.81, 16,927.39 and 6,665.41 is: 9,995.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.81 : 16,927.39 = 6,665.41 : x
  2. Step 2: Convert to fraction form
    11,287.81/16,927.39 = 6,665.41/x
  3. Step 3: Cross multiply
    11,287.81x = 16,927.39 × 6,665.41
  4. Step 4: Simplify right side
    11,287.81x = 112,827,994.58
  5. Step 5: Solve for x
    x = 112,827,994.58/11,287.81
  6. Step 6: Final answer
    x = 9,995.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.