Home / 18,230.31-25,151.40-13,982.67

Finding the Fourth Proportional to 18,230.31, 25,151.40 and 13,982.67

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Solution

The fourth proportional to 18,230.31, 25,151.40 and 13,982.67 is: 19,291.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230.31 : 25,151.40 = 13,982.67 : x
  2. Step 2: Convert to fraction form
    18,230.31/25,151.40 = 13,982.67/x
  3. Step 3: Cross multiply
    18,230.31x = 25,151.40 × 13,982.67
  4. Step 4: Simplify right side
    18,230.31x = 351,683,726.24
  5. Step 5: Solve for x
    x = 351,683,726.24/18,230.31
  6. Step 6: Final answer
    x = 19,291.15

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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.