Home / 10,400.08-15,604.52-5,203.12

Finding the Fourth Proportional to 10,400.08, 15,604.52 and 5,203.12

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Solution

The fourth proportional to 10,400.08, 15,604.52 and 5,203.12 is: 7,806.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.08 : 15,604.52 = 5,203.12 : x
  2. Step 2: Convert to fraction form
    10,400.08/15,604.52 = 5,203.12/x
  3. Step 3: Cross multiply
    10,400.08x = 15,604.52 × 5,203.12
  4. Step 4: Simplify right side
    10,400.08x = 81,192,190.10
  5. Step 5: Solve for x
    x = 81,192,190.10/10,400.08
  6. Step 6: Final answer
    x = 7,806.88

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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.