Home / 42,146.94-63,220.41-10,982.19

Finding the Fourth Proportional to 42,146.94, 63,220.41 and 10,982.19

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Solution

The fourth proportional to 42,146.94, 63,220.41 and 10,982.19 is: 16,473.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,146.94 : 63,220.41 = 10,982.19 : x
  2. Step 2: Convert to fraction form
    42,146.94/63,220.41 = 10,982.19/x
  3. Step 3: Cross multiply
    42,146.94x = 63,220.41 × 10,982.19
  4. Step 4: Simplify right side
    42,146.94x = 694,298,499.59
  5. Step 5: Solve for x
    x = 694,298,499.59/42,146.94
  6. Step 6: Final answer
    x = 16,473.28

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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.