Home / 21,296.22-31,943.41-9,446.93

Finding the Fourth Proportional to 21,296.22, 31,943.41 and 9,446.93

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Solution

The fourth proportional to 21,296.22, 31,943.41 and 9,446.93 is: 14,169.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,296.22 : 31,943.41 = 9,446.93 : x
  2. Step 2: Convert to fraction form
    21,296.22/31,943.41 = 9,446.93/x
  3. Step 3: Cross multiply
    21,296.22x = 31,943.41 × 9,446.93
  4. Step 4: Simplify right side
    21,296.22x = 301,767,147.82
  5. Step 5: Solve for x
    x = 301,767,147.82/21,296.22
  6. Step 6: Final answer
    x = 14,169.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.