Home / 22,220.48-30,649.23-14,272.35

Finding the Fourth Proportional to 22,220.48, 30,649.23 and 14,272.35

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Solution

The fourth proportional to 22,220.48, 30,649.23 and 14,272.35 is: 19,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,220.48 : 30,649.23 = 14,272.35 : x
  2. Step 2: Convert to fraction form
    22,220.48/30,649.23 = 14,272.35/x
  3. Step 3: Cross multiply
    22,220.48x = 30,649.23 × 14,272.35
  4. Step 4: Simplify right side
    22,220.48x = 437,436,537.79
  5. Step 5: Solve for x
    x = 437,436,537.79/22,220.48
  6. Step 6: Final answer
    x = 19,686.19

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Half scale
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Double scale
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Similar ratio
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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.