Home / 10,506.29-15,759.38-3,110.79

Finding the Fourth Proportional to 10,506.29, 15,759.38 and 3,110.79

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Solution

The fourth proportional to 10,506.29, 15,759.38 and 3,110.79 is: 4,666.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,506.29 : 15,759.38 = 3,110.79 : x
  2. Step 2: Convert to fraction form
    10,506.29/15,759.38 = 3,110.79/x
  3. Step 3: Cross multiply
    10,506.29x = 15,759.38 × 3,110.79
  4. Step 4: Simplify right side
    10,506.29x = 49,024,121.71
  5. Step 5: Solve for x
    x = 49,024,121.71/10,506.29
  6. Step 6: Final answer
    x = 4,666.17

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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.