Home / 10,420.71-15,632.84-3,846.93

Finding the Fourth Proportional to 10,420.71, 15,632.84 and 3,846.93

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Solution

The fourth proportional to 10,420.71, 15,632.84 and 3,846.93 is: 5,771.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420.71 : 15,632.84 = 3,846.93 : x
  2. Step 2: Convert to fraction form
    10,420.71/15,632.84 = 3,846.93/x
  3. Step 3: Cross multiply
    10,420.71x = 15,632.84 × 3,846.93
  4. Step 4: Simplify right side
    10,420.71x = 60,138,343.78
  5. Step 5: Solve for x
    x = 60,138,343.78/10,420.71
  6. Step 6: Final answer
    x = 5,771.04

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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.