Home / 15,091.26-20,823.71-8,376.93

Finding the Fourth Proportional to 15,091.26, 20,823.71 and 8,376.93

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Solution

The fourth proportional to 15,091.26, 20,823.71 and 8,376.93 is: 11,558.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,091.26 : 20,823.71 = 8,376.93 : x
  2. Step 2: Convert to fraction form
    15,091.26/20,823.71 = 8,376.93/x
  3. Step 3: Cross multiply
    15,091.26x = 20,823.71 × 8,376.93
  4. Step 4: Simplify right side
    15,091.26x = 174,438,761.01
  5. Step 5: Solve for x
    x = 174,438,761.01/15,091.26
  6. Step 6: Final answer
    x = 11,558.93

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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.