Home / 18,954.72-26,156.80-10,571.04

Finding the Fourth Proportional to 18,954.72, 26,156.80 and 10,571.04

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Solution

The fourth proportional to 18,954.72, 26,156.80 and 10,571.04 is: 14,587.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.72 : 26,156.80 = 10,571.04 : x
  2. Step 2: Convert to fraction form
    18,954.72/26,156.80 = 10,571.04/x
  3. Step 3: Cross multiply
    18,954.72x = 26,156.80 × 10,571.04
  4. Step 4: Simplify right side
    18,954.72x = 276,504,579.07
  5. Step 5: Solve for x
    x = 276,504,579.07/18,954.72
  6. Step 6: Final answer
    x = 14,587.64

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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.