Home / 18,830.18-28,246.34-5,683.88

Finding the Fourth Proportional to 18,830.18, 28,246.34 and 5,683.88

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Solution

The fourth proportional to 18,830.18, 28,246.34 and 5,683.88 is: 8,526.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.18 : 28,246.34 = 5,683.88 : x
  2. Step 2: Convert to fraction form
    18,830.18/28,246.34 = 5,683.88/x
  3. Step 3: Cross multiply
    18,830.18x = 28,246.34 × 5,683.88
  4. Step 4: Simplify right side
    18,830.18x = 160,548,679.98
  5. Step 5: Solve for x
    x = 160,548,679.98/18,830.18
  6. Step 6: Final answer
    x = 8,526.14

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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.