Home / 10,831.02-16,250.68-3,811.76

Finding the Fourth Proportional to 10,831.02, 16,250.68 and 3,811.76

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Solution

The fourth proportional to 10,831.02, 16,250.68 and 3,811.76 is: 5,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.02 : 16,250.68 = 3,811.76 : x
  2. Step 2: Convert to fraction form
    10,831.02/16,250.68 = 3,811.76/x
  3. Step 3: Cross multiply
    10,831.02x = 16,250.68 × 3,811.76
  4. Step 4: Simplify right side
    10,831.02x = 61,943,692.00
  5. Step 5: Solve for x
    x = 61,943,692.00/10,831.02
  6. Step 6: Final answer
    x = 5,719.10

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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.