Home / 10,106.06-15,159.09-3,085.79

Finding the Fourth Proportional to 10,106.06, 15,159.09 and 3,085.79

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Solution

The fourth proportional to 10,106.06, 15,159.09 and 3,085.79 is: 4,628.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.06 : 15,159.09 = 3,085.79 : x
  2. Step 2: Convert to fraction form
    10,106.06/15,159.09 = 3,085.79/x
  3. Step 3: Cross multiply
    10,106.06x = 15,159.09 × 3,085.79
  4. Step 4: Simplify right side
    10,106.06x = 46,777,768.33
  5. Step 5: Solve for x
    x = 46,777,768.33/10,106.06
  6. Step 6: Final answer
    x = 4,628.69

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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.