Home / 14,395.22-19,864.04-8,020.72

Finding the Fourth Proportional to 14,395.22, 19,864.04 and 8,020.72

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Solution

The fourth proportional to 14,395.22, 19,864.04 and 8,020.72 is: 11,067.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.22 : 19,864.04 = 8,020.72 : x
  2. Step 2: Convert to fraction form
    14,395.22/19,864.04 = 8,020.72/x
  3. Step 3: Cross multiply
    14,395.22x = 19,864.04 × 8,020.72
  4. Step 4: Simplify right side
    14,395.22x = 159,323,887.64
  5. Step 5: Solve for x
    x = 159,323,887.64/14,395.22
  6. Step 6: Final answer
    x = 11,067.83

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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.