Home / 19,998.87-27,600.14-11,047.35

Finding the Fourth Proportional to 19,998.87, 27,600.14 and 11,047.35

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Solution

The fourth proportional to 19,998.87, 27,600.14 and 11,047.35 is: 15,246.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.87 : 27,600.14 = 11,047.35 : x
  2. Step 2: Convert to fraction form
    19,998.87/27,600.14 = 11,047.35/x
  3. Step 3: Cross multiply
    19,998.87x = 27,600.14 × 11,047.35
  4. Step 4: Simplify right side
    19,998.87x = 304,908,296.25
  5. Step 5: Solve for x
    x = 304,908,296.25/19,998.87
  6. Step 6: Final answer
    x = 15,246.28

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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.