Home / 14,649.73-20,211.82-9,346.25

Finding the Fourth Proportional to 14,649.73, 20,211.82 and 9,346.25

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Solution

The fourth proportional to 14,649.73, 20,211.82 and 9,346.25 is: 12,894.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.73 : 20,211.82 = 9,346.25 : x
  2. Step 2: Convert to fraction form
    14,649.73/20,211.82 = 9,346.25/x
  3. Step 3: Cross multiply
    14,649.73x = 20,211.82 × 9,346.25
  4. Step 4: Simplify right side
    14,649.73x = 188,904,749.84
  5. Step 5: Solve for x
    x = 188,904,749.84/14,649.73
  6. Step 6: Final answer
    x = 12,894.76

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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.