Home / 15,190.51-20,962.86-8,476.07

Finding the Fourth Proportional to 15,190.51, 20,962.86 and 8,476.07

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Solution

The fourth proportional to 15,190.51, 20,962.86 and 8,476.07 is: 11,696.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190.51 : 20,962.86 = 8,476.07 : x
  2. Step 2: Convert to fraction form
    15,190.51/20,962.86 = 8,476.07/x
  3. Step 3: Cross multiply
    15,190.51x = 20,962.86 × 8,476.07
  4. Step 4: Simplify right side
    15,190.51x = 177,682,563.95
  5. Step 5: Solve for x
    x = 177,682,563.95/15,190.51
  6. Step 6: Final answer
    x = 11,696.95

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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.