Home / 19,701-27,187.38-11,322.36

Finding the Fourth Proportional to 19,701, 27,187.38 and 11,322.36

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Solution

The fourth proportional to 19,701, 27,187.38 and 11,322.36 is: 15,624.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701 : 27,187.38 = 11,322.36 : x
  2. Step 2: Convert to fraction form
    19,701/27,187.38 = 11,322.36/x
  3. Step 3: Cross multiply
    19,701x = 27,187.38 × 11,322.36
  4. Step 4: Simplify right side
    19,701x = 307,825,303.82
  5. Step 5: Solve for x
    x = 307,825,303.82/19,701
  6. Step 6: Final answer
    x = 15,624.86

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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.