Home / 10,085.16-15,127.16-3,845.80

Finding the Fourth Proportional to 10,085.16, 15,127.16 and 3,845.80

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Solution

The fourth proportional to 10,085.16, 15,127.16 and 3,845.80 is: 5,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.16 : 15,127.16 = 3,845.80 : x
  2. Step 2: Convert to fraction form
    10,085.16/15,127.16 = 3,845.80/x
  3. Step 3: Cross multiply
    10,085.16x = 15,127.16 × 3,845.80
  4. Step 4: Simplify right side
    10,085.16x = 58,176,080.64
  5. Step 5: Solve for x
    x = 58,176,080.64/10,085.16
  6. Step 6: Final answer
    x = 5,768.48

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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.