Home / 19,967.89-27,555.71-11,015.37

Finding the Fourth Proportional to 19,967.89, 27,555.71 and 11,015.37

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Solution

The fourth proportional to 19,967.89, 27,555.71 and 11,015.37 is: 15,201.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,967.89 : 27,555.71 = 11,015.37 : x
  2. Step 2: Convert to fraction form
    19,967.89/27,555.71 = 11,015.37/x
  3. Step 3: Cross multiply
    19,967.89x = 27,555.71 × 11,015.37
  4. Step 4: Simplify right side
    19,967.89x = 303,536,341.26
  5. Step 5: Solve for x
    x = 303,536,341.26/19,967.89
  6. Step 6: Final answer
    x = 15,201.23

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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.