Home / 16,915.41-23,342.79-9,361.47

Finding the Fourth Proportional to 16,915.41, 23,342.79 and 9,361.47

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Solution

The fourth proportional to 16,915.41, 23,342.79 and 9,361.47 is: 12,918.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915.41 : 23,342.79 = 9,361.47 : x
  2. Step 2: Convert to fraction form
    16,915.41/23,342.79 = 9,361.47/x
  3. Step 3: Cross multiply
    16,915.41x = 23,342.79 × 9,361.47
  4. Step 4: Simplify right side
    16,915.41x = 218,522,828.30
  5. Step 5: Solve for x
    x = 218,522,828.30/16,915.41
  6. Step 6: Final answer
    x = 12,918.57

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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.