Home / 21,257.92-29,332.48-11,826.24

Finding the Fourth Proportional to 21,257.92, 29,332.48 and 11,826.24

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Solution

The fourth proportional to 21,257.92, 29,332.48 and 11,826.24 is: 16,318.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,257.92 : 29,332.48 = 11,826.24 : x
  2. Step 2: Convert to fraction form
    21,257.92/29,332.48 = 11,826.24/x
  3. Step 3: Cross multiply
    21,257.92x = 29,332.48 × 11,826.24
  4. Step 4: Simplify right side
    21,257.92x = 346,892,948.28
  5. Step 5: Solve for x
    x = 346,892,948.28/21,257.92
  6. Step 6: Final answer
    x = 16,318.29

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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.