Home / 10,107.65-15,161.40-2,611.19

Finding the Fourth Proportional to 10,107.65, 15,161.40 and 2,611.19

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Solution

The fourth proportional to 10,107.65, 15,161.40 and 2,611.19 is: 3,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.65 : 15,161.40 = 2,611.19 : x
  2. Step 2: Convert to fraction form
    10,107.65/15,161.40 = 2,611.19/x
  3. Step 3: Cross multiply
    10,107.65x = 15,161.40 × 2,611.19
  4. Step 4: Simplify right side
    10,107.65x = 39,589,333.97
  5. Step 5: Solve for x
    x = 39,589,333.97/10,107.65
  6. Step 6: Final answer
    x = 3,916.77

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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.