Home / 15,407.45-21,262.26-8,333.85

Finding the Fourth Proportional to 15,407.45, 21,262.26 and 8,333.85

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Solution

The fourth proportional to 15,407.45, 21,262.26 and 8,333.85 is: 11,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407.45 : 21,262.26 = 8,333.85 : x
  2. Step 2: Convert to fraction form
    15,407.45/21,262.26 = 8,333.85/x
  3. Step 3: Cross multiply
    15,407.45x = 21,262.26 × 8,333.85
  4. Step 4: Simplify right side
    15,407.45x = 177,196,596.49
  5. Step 5: Solve for x
    x = 177,196,596.49/15,407.45
  6. Step 6: Final answer
    x = 11,500.71

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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.