Home / 21,249.55-29,323.12-12,296.41

Finding the Fourth Proportional to 21,249.55, 29,323.12 and 12,296.41

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Solution

The fourth proportional to 21,249.55, 29,323.12 and 12,296.41 is: 16,968.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,249.55 : 29,323.12 = 12,296.41 : x
  2. Step 2: Convert to fraction form
    21,249.55/29,323.12 = 12,296.41/x
  3. Step 3: Cross multiply
    21,249.55x = 29,323.12 × 12,296.41
  4. Step 4: Simplify right side
    21,249.55x = 360,569,106.00
  5. Step 5: Solve for x
    x = 360,569,106.00/21,249.55
  6. Step 6: Final answer
    x = 16,968.32

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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.