Home / 13,352.38-18,425.82-7,686.94

Finding the Fourth Proportional to 13,352.38, 18,425.82 and 7,686.94

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Solution

The fourth proportional to 13,352.38, 18,425.82 and 7,686.94 is: 10,607.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.38 : 18,425.82 = 7,686.94 : x
  2. Step 2: Convert to fraction form
    13,352.38/18,425.82 = 7,686.94/x
  3. Step 3: Cross multiply
    13,352.38x = 18,425.82 × 7,686.94
  4. Step 4: Simplify right side
    13,352.38x = 141,638,172.79
  5. Step 5: Solve for x
    x = 141,638,172.79/13,352.38
  6. Step 6: Final answer
    x = 10,607.71

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1.5x scale

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.