Home / 10,208.52-15,313.38-3,966.45

Finding the Fourth Proportional to 10,208.52, 15,313.38 and 3,966.45

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Solution

The fourth proportional to 10,208.52, 15,313.38 and 3,966.45 is: 5,949.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208.52 : 15,313.38 = 3,966.45 : x
  2. Step 2: Convert to fraction form
    10,208.52/15,313.38 = 3,966.45/x
  3. Step 3: Cross multiply
    10,208.52x = 15,313.38 × 3,966.45
  4. Step 4: Simplify right side
    10,208.52x = 60,739,756.10
  5. Step 5: Solve for x
    x = 60,739,756.10/10,208.52
  6. Step 6: Final answer
    x = 5,949.91

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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.