Home / 15,321.06-23,085.81-12,608.58

Finding the Fourth Proportional to 15,321.06, 23,085.81 and 12,608.58

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Solution

The fourth proportional to 15,321.06, 23,085.81 and 12,608.58 is: 18,998.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,321.06 : 23,085.81 = 12,608.58 : x
  2. Step 2: Convert to fraction form
    15,321.06/23,085.81 = 12,608.58/x
  3. Step 3: Cross multiply
    15,321.06x = 23,085.81 × 12,608.58
  4. Step 4: Simplify right side
    15,321.06x = 291,079,282.25
  5. Step 5: Solve for x
    x = 291,079,282.25/15,321.06
  6. Step 6: Final answer
    x = 18,998.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.