Home / 16,005.12-22,096.80-10,977.60

Finding the Fourth Proportional to 16,005.12, 22,096.80 and 10,977.60

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Solution

The fourth proportional to 16,005.12, 22,096.80 and 10,977.60 is: 15,155.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,005.12 : 22,096.80 = 10,977.60 : x
  2. Step 2: Convert to fraction form
    16,005.12/22,096.80 = 10,977.60/x
  3. Step 3: Cross multiply
    16,005.12x = 22,096.80 × 10,977.60
  4. Step 4: Simplify right side
    16,005.12x = 242,569,831.68
  5. Step 5: Solve for x
    x = 242,569,831.68/16,005.12
  6. Step 6: Final answer
    x = 15,155.76

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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.