Home / 18,740.96-28,102.92-7,045.88

Finding the Fourth Proportional to 18,740.96, 28,102.92 and 7,045.88

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Solution

The fourth proportional to 18,740.96, 28,102.92 and 7,045.88 is: 10,565.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.96 : 28,102.92 = 7,045.88 : x
  2. Step 2: Convert to fraction form
    18,740.96/28,102.92 = 7,045.88/x
  3. Step 3: Cross multiply
    18,740.96x = 28,102.92 × 7,045.88
  4. Step 4: Simplify right side
    18,740.96x = 198,009,801.97
  5. Step 5: Solve for x
    x = 198,009,801.97/18,740.96
  6. Step 6: Final answer
    x = 10,565.62

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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.