Home / 16,286.81-22,476.88-9,117.36

Finding the Fourth Proportional to 16,286.81, 22,476.88 and 9,117.36

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Solution

The fourth proportional to 16,286.81, 22,476.88 and 9,117.36 is: 12,582.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,286.81 : 22,476.88 = 9,117.36 : x
  2. Step 2: Convert to fraction form
    16,286.81/22,476.88 = 9,117.36/x
  3. Step 3: Cross multiply
    16,286.81x = 22,476.88 × 9,117.36
  4. Step 4: Simplify right side
    16,286.81x = 204,929,699.56
  5. Step 5: Solve for x
    x = 204,929,699.56/16,286.81
  6. Step 6: Final answer
    x = 12,582.56

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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.