Home / 15,878.09-23,815.29-4,192.22

Finding the Fourth Proportional to 15,878.09, 23,815.29 and 4,192.22

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Solution

The fourth proportional to 15,878.09, 23,815.29 and 4,192.22 is: 6,287.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,878.09 : 23,815.29 = 4,192.22 : x
  2. Step 2: Convert to fraction form
    15,878.09/23,815.29 = 4,192.22/x
  3. Step 3: Cross multiply
    15,878.09x = 23,815.29 × 4,192.22
  4. Step 4: Simplify right side
    15,878.09x = 99,838,815.97
  5. Step 5: Solve for x
    x = 99,838,815.97/15,878.09
  6. Step 6: Final answer
    x = 6,287.84

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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.