Home / 21,244.64-29,318.34-11,685.26

Finding the Fourth Proportional to 21,244.64, 29,318.34 and 11,685.26

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Solution

The fourth proportional to 21,244.64, 29,318.34 and 11,685.26 is: 16,126.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244.64 : 29,318.34 = 11,685.26 : x
  2. Step 2: Convert to fraction form
    21,244.64/29,318.34 = 11,685.26/x
  3. Step 3: Cross multiply
    21,244.64x = 29,318.34 × 11,685.26
  4. Step 4: Simplify right side
    21,244.64x = 342,592,279.08
  5. Step 5: Solve for x
    x = 342,592,279.08/21,244.64
  6. Step 6: Final answer
    x = 16,126.06

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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.