Home / 21,244.52-29,317.28-11,813

Finding the Fourth Proportional to 21,244.52, 29,317.28 and 11,813

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Solution

The fourth proportional to 21,244.52, 29,317.28 and 11,813 is: 16,301.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244.52 : 29,317.28 = 11,813 : x
  2. Step 2: Convert to fraction form
    21,244.52/29,317.28 = 11,813/x
  3. Step 3: Cross multiply
    21,244.52x = 29,317.28 × 11,813
  4. Step 4: Simplify right side
    21,244.52x = 346,325,028.64
  5. Step 5: Solve for x
    x = 346,325,028.64/21,244.52
  6. Step 6: Final answer
    x = 16,301.85

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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.