Home / 16,915.64-23,342.09-9,361.85

Finding the Fourth Proportional to 16,915.64, 23,342.09 and 9,361.85

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Solution

The fourth proportional to 16,915.64, 23,342.09 and 9,361.85 is: 12,918.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915.64 : 23,342.09 = 9,361.85 : x
  2. Step 2: Convert to fraction form
    16,915.64/23,342.09 = 9,361.85/x
  3. Step 3: Cross multiply
    16,915.64x = 23,342.09 × 9,361.85
  4. Step 4: Simplify right side
    16,915.64x = 218,524,981.75
  5. Step 5: Solve for x
    x = 218,524,981.75/16,915.64
  6. Step 6: Final answer
    x = 12,918.52

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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.