Home / 21,246.08-29,317.48-16,213.55

Finding the Fourth Proportional to 21,246.08, 29,317.48 and 16,213.55

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Solution

The fourth proportional to 21,246.08, 29,317.48 and 16,213.55 is: 22,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,246.08 : 29,317.48 = 16,213.55 : x
  2. Step 2: Convert to fraction form
    21,246.08/29,317.48 = 16,213.55/x
  3. Step 3: Cross multiply
    21,246.08x = 29,317.48 × 16,213.55
  4. Step 4: Simplify right side
    21,246.08x = 475,340,240.73
  5. Step 5: Solve for x
    x = 475,340,240.73/21,246.08
  6. Step 6: Final answer
    x = 22,373.08

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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.