Home / 10,948.41-16,420.19-3,157.83

Finding the Fourth Proportional to 10,948.41, 16,420.19 and 3,157.83

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Solution

The fourth proportional to 10,948.41, 16,420.19 and 3,157.83 is: 4,736.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.41 : 16,420.19 = 3,157.83 : x
  2. Step 2: Convert to fraction form
    10,948.41/16,420.19 = 3,157.83/x
  3. Step 3: Cross multiply
    10,948.41x = 16,420.19 × 3,157.83
  4. Step 4: Simplify right side
    10,948.41x = 51,852,152.80
  5. Step 5: Solve for x
    x = 51,852,152.80/10,948.41
  6. Step 6: Final answer
    x = 4,736.04

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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.