Home / 13,014-17,960.40-7,426.08

Finding the Fourth Proportional to 13,014, 17,960.40 and 7,426.08

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Solution

The fourth proportional to 13,014, 17,960.40 and 7,426.08 is: 10,248.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014 : 17,960.40 = 7,426.08 : x
  2. Step 2: Convert to fraction form
    13,014/17,960.40 = 7,426.08/x
  3. Step 3: Cross multiply
    13,014x = 17,960.40 × 7,426.08
  4. Step 4: Simplify right side
    13,014x = 133,375,367.23
  5. Step 5: Solve for x
    x = 133,375,367.23/13,014
  6. Step 6: Final answer
    x = 10,248.61

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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.