Home / 10,206.36-15,313.42-5,272.92

Finding the Fourth Proportional to 10,206.36, 15,313.42 and 5,272.92

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Solution

The fourth proportional to 10,206.36, 15,313.42 and 5,272.92 is: 7,911.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.36 : 15,313.42 = 5,272.92 : x
  2. Step 2: Convert to fraction form
    10,206.36/15,313.42 = 5,272.92/x
  3. Step 3: Cross multiply
    10,206.36x = 15,313.42 × 5,272.92
  4. Step 4: Simplify right side
    10,206.36x = 80,746,438.59
  5. Step 5: Solve for x
    x = 80,746,438.59/10,206.36
  6. Step 6: Final answer
    x = 7,911.38

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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.