Home / 11,852.28-16,356.12-7,660.50

Finding the Fourth Proportional to 11,852.28, 16,356.12 and 7,660.50

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Solution

The fourth proportional to 11,852.28, 16,356.12 and 7,660.50 is: 10,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.28 : 16,356.12 = 7,660.50 : x
  2. Step 2: Convert to fraction form
    11,852.28/16,356.12 = 7,660.50/x
  3. Step 3: Cross multiply
    11,852.28x = 16,356.12 × 7,660.50
  4. Step 4: Simplify right side
    11,852.28x = 125,296,057.26
  5. Step 5: Solve for x
    x = 125,296,057.26/11,852.28
  6. Step 6: Final answer
    x = 10,571.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.