Home / 14,134.26-21,272.28-10,642.35

Finding the Fourth Proportional to 14,134.26, 21,272.28 and 10,642.35

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Solution

The fourth proportional to 14,134.26, 21,272.28 and 10,642.35 is: 16,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.26 : 21,272.28 = 10,642.35 : x
  2. Step 2: Convert to fraction form
    14,134.26/21,272.28 = 10,642.35/x
  3. Step 3: Cross multiply
    14,134.26x = 21,272.28 × 10,642.35
  4. Step 4: Simplify right side
    14,134.26x = 226,387,049.06
  5. Step 5: Solve for x
    x = 226,387,049.06/14,134.26
  6. Step 6: Final answer
    x = 16,016.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.