Home / 14,680.25-20,258.76-8,392.76

Finding the Fourth Proportional to 14,680.25, 20,258.76 and 8,392.76

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Solution

The fourth proportional to 14,680.25, 20,258.76 and 8,392.76 is: 11,582.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680.25 : 20,258.76 = 8,392.76 : x
  2. Step 2: Convert to fraction form
    14,680.25/20,258.76 = 8,392.76/x
  3. Step 3: Cross multiply
    14,680.25x = 20,258.76 × 8,392.76
  4. Step 4: Simplify right side
    14,680.25x = 170,026,910.58
  5. Step 5: Solve for x
    x = 170,026,910.58/14,680.25
  6. Step 6: Final answer
    x = 11,582.02

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Half scale
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Double scale
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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.