Home / 15,407.46-21,262.25-8,333.87

Finding the Fourth Proportional to 15,407.46, 21,262.25 and 8,333.87

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Solution

The fourth proportional to 15,407.46, 21,262.25 and 8,333.87 is: 11,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407.46 : 21,262.25 = 8,333.87 : x
  2. Step 2: Convert to fraction form
    15,407.46/21,262.25 = 8,333.87/x
  3. Step 3: Cross multiply
    15,407.46x = 21,262.25 × 8,333.87
  4. Step 4: Simplify right side
    15,407.46x = 177,196,741.93
  5. Step 5: Solve for x
    x = 177,196,741.93/15,407.46
  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.