Home / 15,957.30-22,028.88-9,992.28

Finding the Fourth Proportional to 15,957.30, 22,028.88 and 9,992.28

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Solution

The fourth proportional to 15,957.30, 22,028.88 and 9,992.28 is: 13,794.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,957.30 : 22,028.88 = 9,992.28 : x
  2. Step 2: Convert to fraction form
    15,957.30/22,028.88 = 9,992.28/x
  3. Step 3: Cross multiply
    15,957.30x = 22,028.88 × 9,992.28
  4. Step 4: Simplify right side
    15,957.30x = 220,118,737.05
  5. Step 5: Solve for x
    x = 220,118,737.05/15,957.30
  6. Step 6: Final answer
    x = 13,794.23

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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.