Home / 16,203.60-22,361.42-9,130.28

Finding the Fourth Proportional to 16,203.60, 22,361.42 and 9,130.28

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Solution

The fourth proportional to 16,203.60, 22,361.42 and 9,130.28 is: 12,600.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,203.60 : 22,361.42 = 9,130.28 : x
  2. Step 2: Convert to fraction form
    16,203.60/22,361.42 = 9,130.28/x
  3. Step 3: Cross multiply
    16,203.60x = 22,361.42 × 9,130.28
  4. Step 4: Simplify right side
    16,203.60x = 204,166,025.80
  5. Step 5: Solve for x
    x = 204,166,025.80/16,203.60
  6. Step 6: Final answer
    x = 12,600.04

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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.