Home / 18,817.95-28,226.65-4,586.48

Finding the Fourth Proportional to 18,817.95, 28,226.65 and 4,586.48

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Solution

The fourth proportional to 18,817.95, 28,226.65 and 4,586.48 is: 6,879.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.95 : 28,226.65 = 4,586.48 : x
  2. Step 2: Convert to fraction form
    18,817.95/28,226.65 = 4,586.48/x
  3. Step 3: Cross multiply
    18,817.95x = 28,226.65 × 4,586.48
  4. Step 4: Simplify right side
    18,817.95x = 129,460,965.69
  5. Step 5: Solve for x
    x = 129,460,965.69/18,817.95
  6. Step 6: Final answer
    x = 6,879.65

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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.