Home / 11,554.21-15,944.19-6,518.44

Finding the Fourth Proportional to 11,554.21, 15,944.19 and 6,518.44

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Solution

The fourth proportional to 11,554.21, 15,944.19 and 6,518.44 is: 8,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,554.21 : 15,944.19 = 6,518.44 : x
  2. Step 2: Convert to fraction form
    11,554.21/15,944.19 = 6,518.44/x
  3. Step 3: Cross multiply
    11,554.21x = 15,944.19 × 6,518.44
  4. Step 4: Simplify right side
    11,554.21x = 103,931,245.86
  5. Step 5: Solve for x
    x = 103,931,245.86/11,554.21
  6. Step 6: Final answer
    x = 8,995.10

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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.