Home / 16,915.39-23,342.66-9,362.04

Finding the Fourth Proportional to 16,915.39, 23,342.66 and 9,362.04

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Solution

The fourth proportional to 16,915.39, 23,342.66 and 9,362.04 is: 12,919.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915.39 : 23,342.66 = 9,362.04 : x
  2. Step 2: Convert to fraction form
    16,915.39/23,342.66 = 9,362.04/x
  3. Step 3: Cross multiply
    16,915.39x = 23,342.66 × 9,362.04
  4. Step 4: Simplify right side
    16,915.39x = 218,534,869.82
  5. Step 5: Solve for x
    x = 218,534,869.82/16,915.39
  6. Step 6: Final answer
    x = 12,919.29

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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.