Home / 18,896.10-28,326.15-7,046.70

Finding the Fourth Proportional to 18,896.10, 28,326.15 and 7,046.70

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Solution

The fourth proportional to 18,896.10, 28,326.15 and 7,046.70 is: 10,563.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,896.10 : 28,326.15 = 7,046.70 : x
  2. Step 2: Convert to fraction form
    18,896.10/28,326.15 = 7,046.70/x
  3. Step 3: Cross multiply
    18,896.10x = 28,326.15 × 7,046.70
  4. Step 4: Simplify right side
    18,896.10x = 199,605,881.21
  5. Step 5: Solve for x
    x = 199,605,881.21/18,896.10
  6. Step 6: Final answer
    x = 10,563.34

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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.