Home / 14,841.12-20,480.40-8,126.76

Finding the Fourth Proportional to 14,841.12, 20,480.40 and 8,126.76

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Solution

The fourth proportional to 14,841.12, 20,480.40 and 8,126.76 is: 11,214.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,841.12 : 20,480.40 = 8,126.76 : x
  2. Step 2: Convert to fraction form
    14,841.12/20,480.40 = 8,126.76/x
  3. Step 3: Cross multiply
    14,841.12x = 20,480.40 × 8,126.76
  4. Step 4: Simplify right side
    14,841.12x = 166,439,295.50
  5. Step 5: Solve for x
    x = 166,439,295.50/14,841.12
  6. Step 6: Final answer
    x = 11,214.74

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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.