Home / 18,896.49-28,341.50-5,042.25

Finding the Fourth Proportional to 18,896.49, 28,341.50 and 5,042.25

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Solution

The fourth proportional to 18,896.49, 28,341.50 and 5,042.25 is: 7,562.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,896.49 : 28,341.50 = 5,042.25 : x
  2. Step 2: Convert to fraction form
    18,896.49/28,341.50 = 5,042.25/x
  3. Step 3: Cross multiply
    18,896.49x = 28,341.50 × 5,042.25
  4. Step 4: Simplify right side
    18,896.49x = 142,904,903.16
  5. Step 5: Solve for x
    x = 142,904,903.16/18,896.49
  6. Step 6: Final answer
    x = 7,562.51

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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.