Home / 21,259.16-29,336.85-11,827.52

Finding the Fourth Proportional to 21,259.16, 29,336.85 and 11,827.52

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Solution

The fourth proportional to 21,259.16, 29,336.85 and 11,827.52 is: 16,321.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,259.16 : 29,336.85 = 11,827.52 : x
  2. Step 2: Convert to fraction form
    21,259.16/29,336.85 = 11,827.52/x
  3. Step 3: Cross multiply
    21,259.16x = 29,336.85 × 11,827.52
  4. Step 4: Simplify right side
    21,259.16x = 346,982,033.43
  5. Step 5: Solve for x
    x = 346,982,033.43/21,259.16
  6. Step 6: Final answer
    x = 16,321.53

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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.