Home / 18,826.07-28,198.89-9,913.29

Finding the Fourth Proportional to 18,826.07, 28,198.89 and 9,913.29

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Solution

The fourth proportional to 18,826.07, 28,198.89 and 9,913.29 is: 14,848.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.07 : 28,198.89 = 9,913.29 : x
  2. Step 2: Convert to fraction form
    18,826.07/28,198.89 = 9,913.29/x
  3. Step 3: Cross multiply
    18,826.07x = 28,198.89 × 9,913.29
  4. Step 4: Simplify right side
    18,826.07x = 279,543,774.25
  5. Step 5: Solve for x
    x = 279,543,774.25/18,826.07
  6. Step 6: Final answer
    x = 14,848.76

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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.