Home / 10,948.92-16,425.81-3,157.13

Finding the Fourth Proportional to 10,948.92, 16,425.81 and 3,157.13

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Solution

The fourth proportional to 10,948.92, 16,425.81 and 3,157.13 is: 4,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.92 : 16,425.81 = 3,157.13 : x
  2. Step 2: Convert to fraction form
    10,948.92/16,425.81 = 3,157.13/x
  3. Step 3: Cross multiply
    10,948.92x = 16,425.81 × 3,157.13
  4. Step 4: Simplify right side
    10,948.92x = 51,858,417.53
  5. Step 5: Solve for x
    x = 51,858,417.53/10,948.92
  6. Step 6: Final answer
    x = 4,736.40

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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.