Home / 18,695.95-28,046.66-11,303.89

Finding the Fourth Proportional to 18,695.95, 28,046.66 and 11,303.89

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Solution

The fourth proportional to 18,695.95, 28,046.66 and 11,303.89 is: 16,957.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.95 : 28,046.66 = 11,303.89 : x
  2. Step 2: Convert to fraction form
    18,695.95/28,046.66 = 11,303.89/x
  3. Step 3: Cross multiply
    18,695.95x = 28,046.66 × 11,303.89
  4. Step 4: Simplify right side
    18,695.95x = 317,036,232.87
  5. Step 5: Solve for x
    x = 317,036,232.87/18,695.95
  6. Step 6: Final answer
    x = 16,957.48

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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.