Home / 15,989.58-22,065.75-9,276.30

Finding the Fourth Proportional to 15,989.58, 22,065.75 and 9,276.30

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Solution

The fourth proportional to 15,989.58, 22,065.75 and 9,276.30 is: 12,801.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,989.58 : 22,065.75 = 9,276.30 : x
  2. Step 2: Convert to fraction form
    15,989.58/22,065.75 = 9,276.30/x
  3. Step 3: Cross multiply
    15,989.58x = 22,065.75 × 9,276.30
  4. Step 4: Simplify right side
    15,989.58x = 204,688,516.73
  5. Step 5: Solve for x
    x = 204,688,516.73/15,989.58
  6. Step 6: Final answer
    x = 12,801.37

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Similar ratio
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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.