Home / 16,293.88-22,485.89-9,220.30

Finding the Fourth Proportional to 16,293.88, 22,485.89 and 9,220.30

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Solution

The fourth proportional to 16,293.88, 22,485.89 and 9,220.30 is: 12,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,293.88 : 22,485.89 = 9,220.30 : x
  2. Step 2: Convert to fraction form
    16,293.88/22,485.89 = 9,220.30/x
  3. Step 3: Cross multiply
    16,293.88x = 22,485.89 × 9,220.30
  4. Step 4: Simplify right side
    16,293.88x = 207,326,618.40
  5. Step 5: Solve for x
    x = 207,326,618.40/16,293.88
  6. Step 6: Final answer
    x = 12,724.20

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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.