Home / 15,397.76-23,096.52-7,998.40

Finding the Fourth Proportional to 15,397.76, 23,096.52 and 7,998.40

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Solution

The fourth proportional to 15,397.76, 23,096.52 and 7,998.40 is: 11,997.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397.76 : 23,096.52 = 7,998.40 : x
  2. Step 2: Convert to fraction form
    15,397.76/23,096.52 = 7,998.40/x
  3. Step 3: Cross multiply
    15,397.76x = 23,096.52 × 7,998.40
  4. Step 4: Simplify right side
    15,397.76x = 184,735,205.57
  5. Step 5: Solve for x
    x = 184,735,205.57/15,397.76
  6. Step 6: Final answer
    x = 11,997.54

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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.