Home / 13,247.73-18,280.82-7,582.59

Finding the Fourth Proportional to 13,247.73, 18,280.82 and 7,582.59

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Solution

The fourth proportional to 13,247.73, 18,280.82 and 7,582.59 is: 10,463.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.73 : 18,280.82 = 7,582.59 : x
  2. Step 2: Convert to fraction form
    13,247.73/18,280.82 = 7,582.59/x
  3. Step 3: Cross multiply
    13,247.73x = 18,280.82 × 7,582.59
  4. Step 4: Simplify right side
    13,247.73x = 138,615,981.88
  5. Step 5: Solve for x
    x = 138,615,981.88/13,247.73
  6. Step 6: Final answer
    x = 10,463.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.