Home / 19,656.88-27,126.24-10,704.28

Finding the Fourth Proportional to 19,656.88, 27,126.24 and 10,704.28

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Solution

The fourth proportional to 19,656.88, 27,126.24 and 10,704.28 is: 14,771.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656.88 : 27,126.24 = 10,704.28 : x
  2. Step 2: Convert to fraction form
    19,656.88/27,126.24 = 10,704.28/x
  3. Step 3: Cross multiply
    19,656.88x = 27,126.24 × 10,704.28
  4. Step 4: Simplify right side
    19,656.88x = 290,366,868.31
  5. Step 5: Solve for x
    x = 290,366,868.31/19,656.88
  6. Step 6: Final answer
    x = 14,771.77

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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.