Home / 19,967.40-27,554.67-11,015.76

Finding the Fourth Proportional to 19,967.40, 27,554.67 and 11,015.76

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Solution

The fourth proportional to 19,967.40, 27,554.67 and 11,015.76 is: 15,201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,967.40 : 27,554.67 = 11,015.76 : x
  2. Step 2: Convert to fraction form
    19,967.40/27,554.67 = 11,015.76/x
  3. Step 3: Cross multiply
    19,967.40x = 27,554.67 × 11,015.76
  4. Step 4: Simplify right side
    19,967.40x = 303,535,631.60
  5. Step 5: Solve for x
    x = 303,535,631.60/19,967.40
  6. Step 6: Final answer
    x = 15,201.56

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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.