Home / 16,395.08-22,622.10-9,318.92

Finding the Fourth Proportional to 16,395.08, 22,622.10 and 9,318.92

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Solution

The fourth proportional to 16,395.08, 22,622.10 and 9,318.92 is: 12,858.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,395.08 : 22,622.10 = 9,318.92 : x
  2. Step 2: Convert to fraction form
    16,395.08/22,622.10 = 9,318.92/x
  3. Step 3: Cross multiply
    16,395.08x = 22,622.10 × 9,318.92
  4. Step 4: Simplify right side
    16,395.08x = 210,813,540.13
  5. Step 5: Solve for x
    x = 210,813,540.13/16,395.08
  6. Step 6: Final answer
    x = 12,858.34

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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.