Home / 19,927.22-27,499.56-10,974.71

Finding the Fourth Proportional to 19,927.22, 27,499.56 and 10,974.71

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Solution

The fourth proportional to 19,927.22, 27,499.56 and 10,974.71 is: 15,145.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.22 : 27,499.56 = 10,974.71 : x
  2. Step 2: Convert to fraction form
    19,927.22/27,499.56 = 10,974.71/x
  3. Step 3: Cross multiply
    19,927.22x = 27,499.56 × 10,974.71
  4. Step 4: Simplify right side
    19,927.22x = 301,799,558.63
  5. Step 5: Solve for x
    x = 301,799,558.63/19,927.22
  6. Step 6: Final answer
    x = 15,145.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.