Home / 20,344.50-30,516.93-7,199.10

Finding the Fourth Proportional to 20,344.50, 30,516.93 and 7,199.10

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Solution

The fourth proportional to 20,344.50, 30,516.93 and 7,199.10 is: 10,798.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,344.50 : 30,516.93 = 7,199.10 : x
  2. Step 2: Convert to fraction form
    20,344.50/30,516.93 = 7,199.10/x
  3. Step 3: Cross multiply
    20,344.50x = 30,516.93 × 7,199.10
  4. Step 4: Simplify right side
    20,344.50x = 219,694,430.76
  5. Step 5: Solve for x
    x = 219,694,430.76/20,344.50
  6. Step 6: Final answer
    x = 10,798.71

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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.