Home / 21,250.34-29,326.46-12,296.11

Finding the Fourth Proportional to 21,250.34, 29,326.46 and 12,296.11

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Solution

The fourth proportional to 21,250.34, 29,326.46 and 12,296.11 is: 16,969.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,250.34 : 29,326.46 = 12,296.11 : x
  2. Step 2: Convert to fraction form
    21,250.34/29,326.46 = 12,296.11/x
  3. Step 3: Cross multiply
    21,250.34x = 29,326.46 × 12,296.11
  4. Step 4: Simplify right side
    21,250.34x = 360,601,378.07
  5. Step 5: Solve for x
    x = 360,601,378.07/21,250.34
  6. Step 6: Final answer
    x = 16,969.21

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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.