Home / 18,826.18-28,237.73-6,345.93

Finding the Fourth Proportional to 18,826.18, 28,237.73 and 6,345.93

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Solution

The fourth proportional to 18,826.18, 28,237.73 and 6,345.93 is: 9,518.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.18 : 28,237.73 = 6,345.93 : x
  2. Step 2: Convert to fraction form
    18,826.18/28,237.73 = 6,345.93/x
  3. Step 3: Cross multiply
    18,826.18x = 28,237.73 × 6,345.93
  4. Step 4: Simplify right side
    18,826.18x = 179,194,657.94
  5. Step 5: Solve for x
    x = 179,194,657.94/18,826.18
  6. Step 6: Final answer
    x = 9,518.38

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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.