Home / 12,903.67-19,326.61-11,216.17

Finding the Fourth Proportional to 12,903.67, 19,326.61 and 11,216.17

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Solution

The fourth proportional to 12,903.67, 19,326.61 and 11,216.17 is: 16,799.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903.67 : 19,326.61 = 11,216.17 : x
  2. Step 2: Convert to fraction form
    12,903.67/19,326.61 = 11,216.17/x
  3. Step 3: Cross multiply
    12,903.67x = 19,326.61 × 11,216.17
  4. Step 4: Simplify right side
    12,903.67x = 216,770,543.28
  5. Step 5: Solve for x
    x = 216,770,543.28/12,903.67
  6. Step 6: Final answer
    x = 16,799.14

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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.