Home / 21,498.27-29,690.13-14,801.19

Finding the Fourth Proportional to 21,498.27, 29,690.13 and 14,801.19

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Solution

The fourth proportional to 21,498.27, 29,690.13 and 14,801.19 is: 20,441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,498.27 : 29,690.13 = 14,801.19 : x
  2. Step 2: Convert to fraction form
    21,498.27/29,690.13 = 14,801.19/x
  3. Step 3: Cross multiply
    21,498.27x = 29,690.13 × 14,801.19
  4. Step 4: Simplify right side
    21,498.27x = 439,449,255.25
  5. Step 5: Solve for x
    x = 439,449,255.25/21,498.27
  6. Step 6: Final answer
    x = 20,441.15

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Half scale
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Double scale
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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.