Home / 15,984.50-22,059.37-8,910.92

Finding the Fourth Proportional to 15,984.50, 22,059.37 and 8,910.92

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Solution

The fourth proportional to 15,984.50, 22,059.37 and 8,910.92 is: 12,297.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,984.50 : 22,059.37 = 8,910.92 : x
  2. Step 2: Convert to fraction form
    15,984.50/22,059.37 = 8,910.92/x
  3. Step 3: Cross multiply
    15,984.50x = 22,059.37 × 8,910.92
  4. Step 4: Simplify right side
    15,984.50x = 196,569,281.32
  5. Step 5: Solve for x
    x = 196,569,281.32/15,984.50
  6. Step 6: Final answer
    x = 12,297.49

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Double scale
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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.