Home / 18,922.89-26,112.44-10,963.74

Finding the Fourth Proportional to 18,922.89, 26,112.44 and 10,963.74

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Solution

The fourth proportional to 18,922.89, 26,112.44 and 10,963.74 is: 15,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922.89 : 26,112.44 = 10,963.74 : x
  2. Step 2: Convert to fraction form
    18,922.89/26,112.44 = 10,963.74/x
  3. Step 3: Cross multiply
    18,922.89x = 26,112.44 × 10,963.74
  4. Step 4: Simplify right side
    18,922.89x = 286,290,002.93
  5. Step 5: Solve for x
    x = 286,290,002.93/18,922.89
  6. Step 6: Final answer
    x = 15,129.30

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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.