Home / 13,105.32-19,654.33-4,340.92

Finding the Fourth Proportional to 13,105.32, 19,654.33 and 4,340.92

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Solution

The fourth proportional to 13,105.32, 19,654.33 and 4,340.92 is: 6,510.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105.32 : 19,654.33 = 4,340.92 : x
  2. Step 2: Convert to fraction form
    13,105.32/19,654.33 = 4,340.92/x
  3. Step 3: Cross multiply
    13,105.32x = 19,654.33 × 4,340.92
  4. Step 4: Simplify right side
    13,105.32x = 85,317,874.18
  5. Step 5: Solve for x
    x = 85,317,874.18/13,105.32
  6. Step 6: Final answer
    x = 6,510.17

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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.