Home / 15,131.36-22,696.82-6,805.47

Finding the Fourth Proportional to 15,131.36, 22,696.82 and 6,805.47

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Solution

The fourth proportional to 15,131.36, 22,696.82 and 6,805.47 is: 10,208.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,131.36 : 22,696.82 = 6,805.47 : x
  2. Step 2: Convert to fraction form
    15,131.36/22,696.82 = 6,805.47/x
  3. Step 3: Cross multiply
    15,131.36x = 22,696.82 × 6,805.47
  4. Step 4: Simplify right side
    15,131.36x = 154,462,486.11
  5. Step 5: Solve for x
    x = 154,462,486.11/15,131.36
  6. Step 6: Final answer
    x = 10,208.11

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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.