Home / 11,220.77-16,831.10-2,900.07

Finding the Fourth Proportional to 11,220.77, 16,831.10 and 2,900.07

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Solution

The fourth proportional to 11,220.77, 16,831.10 and 2,900.07 is: 4,350.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.77 : 16,831.10 = 2,900.07 : x
  2. Step 2: Convert to fraction form
    11,220.77/16,831.10 = 2,900.07/x
  3. Step 3: Cross multiply
    11,220.77x = 16,831.10 × 2,900.07
  4. Step 4: Simplify right side
    11,220.77x = 48,811,353.68
  5. Step 5: Solve for x
    x = 48,811,353.68/11,220.77
  6. Step 6: Final answer
    x = 4,350.09

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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.