Home / 14,398.89-21,596.55-3,869.70

Finding the Fourth Proportional to 14,398.89, 21,596.55 and 3,869.70

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Solution

The fourth proportional to 14,398.89, 21,596.55 and 3,869.70 is: 5,804.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,398.89 : 21,596.55 = 3,869.70 : x
  2. Step 2: Convert to fraction form
    14,398.89/21,596.55 = 3,869.70/x
  3. Step 3: Cross multiply
    14,398.89x = 21,596.55 × 3,869.70
  4. Step 4: Simplify right side
    14,398.89x = 83,572,169.54
  5. Step 5: Solve for x
    x = 83,572,169.54/14,398.89
  6. Step 6: Final answer
    x = 5,804.07

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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.