Home / 19,726.90-27,223.58-10,774.31

Finding the Fourth Proportional to 19,726.90, 27,223.58 and 10,774.31

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Solution

The fourth proportional to 19,726.90, 27,223.58 and 10,774.31 is: 14,868.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,726.90 : 27,223.58 = 10,774.31 : x
  2. Step 2: Convert to fraction form
    19,726.90/27,223.58 = 10,774.31/x
  3. Step 3: Cross multiply
    19,726.90x = 27,223.58 × 10,774.31
  4. Step 4: Simplify right side
    19,726.90x = 293,315,181.05
  5. Step 5: Solve for x
    x = 293,315,181.05/19,726.90
  6. Step 6: Final answer
    x = 14,868.79

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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.