Home / 18,617.07-27,927-6,930.39

Finding the Fourth Proportional to 18,617.07, 27,927 and 6,930.39

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Solution

The fourth proportional to 18,617.07, 27,927 and 6,930.39 is: 10,396.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617.07 : 27,927 = 6,930.39 : x
  2. Step 2: Convert to fraction form
    18,617.07/27,927 = 6,930.39/x
  3. Step 3: Cross multiply
    18,617.07x = 27,927 × 6,930.39
  4. Step 4: Simplify right side
    18,617.07x = 193,545,001.53
  5. Step 5: Solve for x
    x = 193,545,001.53/18,617.07
  6. Step 6: Final answer
    x = 10,396.10

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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.