Home / 18,747.14-28,125.26-5,599.41

Finding the Fourth Proportional to 18,747.14, 28,125.26 and 5,599.41

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Solution

The fourth proportional to 18,747.14, 28,125.26 and 5,599.41 is: 8,400.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.14 : 28,125.26 = 5,599.41 : x
  2. Step 2: Convert to fraction form
    18,747.14/28,125.26 = 5,599.41/x
  3. Step 3: Cross multiply
    18,747.14x = 28,125.26 × 5,599.41
  4. Step 4: Simplify right side
    18,747.14x = 157,484,834.10
  5. Step 5: Solve for x
    x = 157,484,834.10/18,747.14
  6. Step 6: Final answer
    x = 8,400.47

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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.