Home / 15,759.39-23,639.00-9,091.58

Finding the Fourth Proportional to 15,759.39, 23,639.00 and 9,091.58

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Solution

The fourth proportional to 15,759.39, 23,639.00 and 9,091.58 is: 13,637.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,759.39 : 23,639.00 = 9,091.58 : x
  2. Step 2: Convert to fraction form
    15,759.39/23,639.00 = 9,091.58/x
  3. Step 3: Cross multiply
    15,759.39x = 23,639.00 × 9,091.58
  4. Step 4: Simplify right side
    15,759.39x = 214,915,695.97
  5. Step 5: Solve for x
    x = 214,915,695.97/15,759.39
  6. Step 6: Final answer
    x = 13,637.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.