Home / 22,207.23-30,645.48-12,135.69

Finding the Fourth Proportional to 22,207.23, 30,645.48 and 12,135.69

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Solution

The fourth proportional to 22,207.23, 30,645.48 and 12,135.69 is: 16,746.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.23 : 30,645.48 = 12,135.69 : x
  2. Step 2: Convert to fraction form
    22,207.23/30,645.48 = 12,135.69/x
  3. Step 3: Cross multiply
    22,207.23x = 30,645.48 × 12,135.69
  4. Step 4: Simplify right side
    22,207.23x = 371,904,045.18
  5. Step 5: Solve for x
    x = 371,904,045.18/22,207.23
  6. Step 6: Final answer
    x = 16,746.98

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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.