Home / 13,361.34-20,018.25-11,393.58

Finding the Fourth Proportional to 13,361.34, 20,018.25 and 11,393.58

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Solution

The fourth proportional to 13,361.34, 20,018.25 and 11,393.58 is: 17,070.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361.34 : 20,018.25 = 11,393.58 : x
  2. Step 2: Convert to fraction form
    13,361.34/20,018.25 = 11,393.58/x
  3. Step 3: Cross multiply
    13,361.34x = 20,018.25 × 11,393.58
  4. Step 4: Simplify right side
    13,361.34x = 228,079,532.84
  5. Step 5: Solve for x
    x = 228,079,532.84/13,361.34
  6. Step 6: Final answer
    x = 17,070.11

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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.