Home / 18,854.89-28,270.70-6,373.73

Finding the Fourth Proportional to 18,854.89, 28,270.70 and 6,373.73

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Solution

The fourth proportional to 18,854.89, 28,270.70 and 6,373.73 is: 9,556.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.89 : 28,270.70 = 6,373.73 : x
  2. Step 2: Convert to fraction form
    18,854.89/28,270.70 = 6,373.73/x
  3. Step 3: Cross multiply
    18,854.89x = 28,270.70 × 6,373.73
  4. Step 4: Simplify right side
    18,854.89x = 180,189,808.71
  5. Step 5: Solve for x
    x = 180,189,808.71/18,854.89
  6. Step 6: Final answer
    x = 9,556.66

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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.