Home / 10,312.19-15,469.96-3,194.76

Finding the Fourth Proportional to 10,312.19, 15,469.96 and 3,194.76

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Solution

The fourth proportional to 10,312.19, 15,469.96 and 3,194.76 is: 4,792.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.19 : 15,469.96 = 3,194.76 : x
  2. Step 2: Convert to fraction form
    10,312.19/15,469.96 = 3,194.76/x
  3. Step 3: Cross multiply
    10,312.19x = 15,469.96 × 3,194.76
  4. Step 4: Simplify right side
    10,312.19x = 49,422,801.42
  5. Step 5: Solve for x
    x = 49,422,801.42/10,312.19
  6. Step 6: Final answer
    x = 4,792.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.