Home / 13,137.45-19,674.14-6,902.69

Finding the Fourth Proportional to 13,137.45, 19,674.14 and 6,902.69

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Solution

The fourth proportional to 13,137.45, 19,674.14 and 6,902.69 is: 10,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137.45 : 19,674.14 = 6,902.69 : x
  2. Step 2: Convert to fraction form
    13,137.45/19,674.14 = 6,902.69/x
  3. Step 3: Cross multiply
    13,137.45x = 19,674.14 × 6,902.69
  4. Step 4: Simplify right side
    13,137.45x = 135,804,356.55
  5. Step 5: Solve for x
    x = 135,804,356.55/13,137.45
  6. Step 6: Final answer
    x = 10,337.19

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1.5x scale

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.