Home / 18,833.40-28,233.90-13,269.24

Finding the Fourth Proportional to 18,833.40, 28,233.90 and 13,269.24

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Solution

The fourth proportional to 18,833.40, 28,233.90 and 13,269.24 is: 19,892.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.40 : 28,233.90 = 13,269.24 : x
  2. Step 2: Convert to fraction form
    18,833.40/28,233.90 = 13,269.24/x
  3. Step 3: Cross multiply
    18,833.40x = 28,233.90 × 13,269.24
  4. Step 4: Simplify right side
    18,833.40x = 374,642,395.24
  5. Step 5: Solve for x
    x = 374,642,395.24/18,833.40
  6. Step 6: Final answer
    x = 19,892.45

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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.