Home / 21,259.17-29,336.85-11,827.53

Finding the Fourth Proportional to 21,259.17, 29,336.85 and 11,827.53

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Solution

The fourth proportional to 21,259.17, 29,336.85 and 11,827.53 is: 16,321.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,259.17 : 29,336.85 = 11,827.53 : x
  2. Step 2: Convert to fraction form
    21,259.17/29,336.85 = 11,827.53/x
  3. Step 3: Cross multiply
    21,259.17x = 29,336.85 × 11,827.53
  4. Step 4: Simplify right side
    21,259.17x = 346,982,473.48
  5. Step 5: Solve for x
    x = 346,982,473.48/21,259.17
  6. Step 6: Final answer
    x = 16,321.54

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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.