Home / 11,720.04-17,582.40-4,324.53

Finding the Fourth Proportional to 11,720.04, 17,582.40 and 4,324.53

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Solution

The fourth proportional to 11,720.04, 17,582.40 and 4,324.53 is: 6,487.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.04 : 17,582.40 = 4,324.53 : x
  2. Step 2: Convert to fraction form
    11,720.04/17,582.40 = 4,324.53/x
  3. Step 3: Cross multiply
    11,720.04x = 17,582.40 × 4,324.53
  4. Step 4: Simplify right side
    11,720.04x = 76,035,616.27
  5. Step 5: Solve for x
    x = 76,035,616.27/11,720.04
  6. Step 6: Final answer
    x = 6,487.66

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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.