Home / 10,364.92-15,534.42-5,172.28

Finding the Fourth Proportional to 10,364.92, 15,534.42 and 5,172.28

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Solution

The fourth proportional to 10,364.92, 15,534.42 and 5,172.28 is: 7,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.92 : 15,534.42 = 5,172.28 : x
  2. Step 2: Convert to fraction form
    10,364.92/15,534.42 = 5,172.28/x
  3. Step 3: Cross multiply
    10,364.92x = 15,534.42 × 5,172.28
  4. Step 4: Simplify right side
    10,364.92x = 80,348,369.88
  5. Step 5: Solve for x
    x = 80,348,369.88/10,364.92
  6. Step 6: Final answer
    x = 7,751.95

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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.