Home / 19,003.16-28,487.46-7,902.92

Finding the Fourth Proportional to 19,003.16, 28,487.46 and 7,902.92

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Solution

The fourth proportional to 19,003.16, 28,487.46 and 7,902.92 is: 11,847.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003.16 : 28,487.46 = 7,902.92 : x
  2. Step 2: Convert to fraction form
    19,003.16/28,487.46 = 7,902.92/x
  3. Step 3: Cross multiply
    19,003.16x = 28,487.46 × 7,902.92
  4. Step 4: Simplify right side
    19,003.16x = 225,134,117.38
  5. Step 5: Solve for x
    x = 225,134,117.38/19,003.16
  6. Step 6: Final answer
    x = 11,847.19

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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.