Home / 21,244.08-29,317.56-11,813.28

Finding the Fourth Proportional to 21,244.08, 29,317.56 and 11,813.28

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Solution

The fourth proportional to 21,244.08, 29,317.56 and 11,813.28 is: 16,302.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244.08 : 29,317.56 = 11,813.28 : x
  2. Step 2: Convert to fraction form
    21,244.08/29,317.56 = 11,813.28/x
  3. Step 3: Cross multiply
    21,244.08x = 29,317.56 × 11,813.28
  4. Step 4: Simplify right side
    21,244.08x = 346,336,545.20
  5. Step 5: Solve for x
    x = 346,336,545.20/21,244.08
  6. Step 6: Final answer
    x = 16,302.73

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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.