Home / 11,529.41-15,911.78-7,056.14

Finding the Fourth Proportional to 11,529.41, 15,911.78 and 7,056.14

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Solution

The fourth proportional to 11,529.41, 15,911.78 and 7,056.14 is: 9,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,529.41 : 15,911.78 = 7,056.14 : x
  2. Step 2: Convert to fraction form
    11,529.41/15,911.78 = 7,056.14/x
  3. Step 3: Cross multiply
    11,529.41x = 15,911.78 × 7,056.14
  4. Step 4: Simplify right side
    11,529.41x = 112,275,632.49
  5. Step 5: Solve for x
    x = 112,275,632.49/11,529.41
  6. Step 6: Final answer
    x = 9,738.20

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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.