Home / 18,869.62-26,040.31-10,372.67

Finding the Fourth Proportional to 18,869.62, 26,040.31 and 10,372.67

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Solution

The fourth proportional to 18,869.62, 26,040.31 and 10,372.67 is: 14,314.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,869.62 : 26,040.31 = 10,372.67 : x
  2. Step 2: Convert to fraction form
    18,869.62/26,040.31 = 10,372.67/x
  3. Step 3: Cross multiply
    18,869.62x = 26,040.31 × 10,372.67
  4. Step 4: Simplify right side
    18,869.62x = 270,107,412.13
  5. Step 5: Solve for x
    x = 270,107,412.13/18,869.62
  6. Step 6: Final answer
    x = 14,314.41

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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.