Home / 18,929.54-26,122.94-10,431.97

Finding the Fourth Proportional to 18,929.54, 26,122.94 and 10,431.97

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Solution

The fourth proportional to 18,929.54, 26,122.94 and 10,431.97 is: 14,396.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,929.54 : 26,122.94 = 10,431.97 : x
  2. Step 2: Convert to fraction form
    18,929.54/26,122.94 = 10,431.97/x
  3. Step 3: Cross multiply
    18,929.54x = 26,122.94 × 10,431.97
  4. Step 4: Simplify right side
    18,929.54x = 272,513,726.39
  5. Step 5: Solve for x
    x = 272,513,726.39/18,929.54
  6. Step 6: Final answer
    x = 14,396.21

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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.