Home / 13,722.64-18,937.51-7,754.27

Finding the Fourth Proportional to 13,722.64, 18,937.51 and 7,754.27

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Solution

The fourth proportional to 13,722.64, 18,937.51 and 7,754.27 is: 10,701.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722.64 : 18,937.51 = 7,754.27 : x
  2. Step 2: Convert to fraction form
    13,722.64/18,937.51 = 7,754.27/x
  3. Step 3: Cross multiply
    13,722.64x = 18,937.51 × 7,754.27
  4. Step 4: Simplify right side
    13,722.64x = 146,846,451.59
  5. Step 5: Solve for x
    x = 146,846,451.59/13,722.64
  6. Step 6: Final answer
    x = 10,701.04

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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.