Home / 16,828.56-23,223.44-9,759.12

Finding the Fourth Proportional to 16,828.56, 23,223.44 and 9,759.12

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Solution

The fourth proportional to 16,828.56, 23,223.44 and 9,759.12 is: 13,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828.56 : 23,223.44 = 9,759.12 : x
  2. Step 2: Convert to fraction form
    16,828.56/23,223.44 = 9,759.12/x
  3. Step 3: Cross multiply
    16,828.56x = 23,223.44 × 9,759.12
  4. Step 4: Simplify right side
    16,828.56x = 226,640,337.77
  5. Step 5: Solve for x
    x = 226,640,337.77/16,828.56
  6. Step 6: Final answer
    x = 13,467.60

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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.