Home / 18,955.86-26,159.26-10,998.22

Finding the Fourth Proportional to 18,955.86, 26,159.26 and 10,998.22

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Solution

The fourth proportional to 18,955.86, 26,159.26 and 10,998.22 is: 15,177.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,955.86 : 26,159.26 = 10,998.22 : x
  2. Step 2: Convert to fraction form
    18,955.86/26,159.26 = 10,998.22/x
  3. Step 3: Cross multiply
    18,955.86x = 26,159.26 × 10,998.22
  4. Step 4: Simplify right side
    18,955.86x = 287,705,296.52
  5. Step 5: Solve for x
    x = 287,705,296.52/18,955.86
  6. Step 6: Final answer
    x = 15,177.64

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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.