Home / 22,531.37-31,092.05-12,459.21

Finding the Fourth Proportional to 22,531.37, 31,092.05 and 12,459.21

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Solution

The fourth proportional to 22,531.37, 31,092.05 and 12,459.21 is: 17,193.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,531.37 : 31,092.05 = 12,459.21 : x
  2. Step 2: Convert to fraction form
    22,531.37/31,092.05 = 12,459.21/x
  3. Step 3: Cross multiply
    22,531.37x = 31,092.05 × 12,459.21
  4. Step 4: Simplify right side
    22,531.37x = 387,382,317.98
  5. Step 5: Solve for x
    x = 387,382,317.98/22,531.37
  6. Step 6: Final answer
    x = 17,193.02

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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.