Home / 15,962.31-22,028.03-8,890.14

Finding the Fourth Proportional to 15,962.31, 22,028.03 and 8,890.14

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Solution

The fourth proportional to 15,962.31, 22,028.03 and 8,890.14 is: 12,268.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,962.31 : 22,028.03 = 8,890.14 : x
  2. Step 2: Convert to fraction form
    15,962.31/22,028.03 = 8,890.14/x
  3. Step 3: Cross multiply
    15,962.31x = 22,028.03 × 8,890.14
  4. Step 4: Simplify right side
    15,962.31x = 195,832,270.62
  5. Step 5: Solve for x
    x = 195,832,270.62/15,962.31
  6. Step 6: Final answer
    x = 12,268.42

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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.