Home / 10,506.09-15,759.59-3,110.39

Finding the Fourth Proportional to 10,506.09, 15,759.59 and 3,110.39

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Solution

The fourth proportional to 10,506.09, 15,759.59 and 3,110.39 is: 4,665.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,506.09 : 15,759.59 = 3,110.39 : x
  2. Step 2: Convert to fraction form
    10,506.09/15,759.59 = 3,110.39/x
  3. Step 3: Cross multiply
    10,506.09x = 15,759.59 × 3,110.39
  4. Step 4: Simplify right side
    10,506.09x = 49,018,376.79
  5. Step 5: Solve for x
    x = 49,018,376.79/10,506.09
  6. Step 6: Final answer
    x = 4,665.71

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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.