Home / 13,323.67-18,386.07-7,654.43

Finding the Fourth Proportional to 13,323.67, 18,386.07 and 7,654.43

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Solution

The fourth proportional to 13,323.67, 18,386.07 and 7,654.43 is: 10,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.67 : 18,386.07 = 7,654.43 : x
  2. Step 2: Convert to fraction form
    13,323.67/18,386.07 = 7,654.43/x
  3. Step 3: Cross multiply
    13,323.67x = 18,386.07 × 7,654.43
  4. Step 4: Simplify right side
    13,323.67x = 140,734,885.79
  5. Step 5: Solve for x
    x = 140,734,885.79/13,323.67
  6. Step 6: Final answer
    x = 10,562.77

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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.