Home / 13,381.14-18,468.09-10,189.29

Finding the Fourth Proportional to 13,381.14, 18,468.09 and 10,189.29

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Solution

The fourth proportional to 13,381.14, 18,468.09 and 10,189.29 is: 14,062.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381.14 : 18,468.09 = 10,189.29 : x
  2. Step 2: Convert to fraction form
    13,381.14/18,468.09 = 10,189.29/x
  3. Step 3: Cross multiply
    13,381.14x = 18,468.09 × 10,189.29
  4. Step 4: Simplify right side
    13,381.14x = 188,176,724.76
  5. Step 5: Solve for x
    x = 188,176,724.76/13,381.14
  6. Step 6: Final answer
    x = 14,062.83

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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.