Home / 16,912.32-23,339.04-9,359.20

Finding the Fourth Proportional to 16,912.32, 23,339.04 and 9,359.20

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Solution

The fourth proportional to 16,912.32, 23,339.04 and 9,359.20 is: 12,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.32 : 23,339.04 = 9,359.20 : x
  2. Step 2: Convert to fraction form
    16,912.32/23,339.04 = 9,359.20/x
  3. Step 3: Cross multiply
    16,912.32x = 23,339.04 × 9,359.20
  4. Step 4: Simplify right side
    16,912.32x = 218,434,743.17
  5. Step 5: Solve for x
    x = 218,434,743.17/16,912.32
  6. Step 6: Final answer
    x = 12,915.72

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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.