Home / 16,915.32-23,342.63-9,361.40

Finding the Fourth Proportional to 16,915.32, 23,342.63 and 9,361.40

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Solution

The fourth proportional to 16,915.32, 23,342.63 and 9,361.40 is: 12,918.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915.32 : 23,342.63 = 9,361.40 : x
  2. Step 2: Convert to fraction form
    16,915.32/23,342.63 = 9,361.40/x
  3. Step 3: Cross multiply
    16,915.32x = 23,342.63 × 9,361.40
  4. Step 4: Simplify right side
    16,915.32x = 218,519,532.96
  5. Step 5: Solve for x
    x = 218,519,532.96/16,915.32
  6. Step 6: Final answer
    x = 12,918.44

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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.