Home / 11,193.82-15,445.76-6,477.19

Finding the Fourth Proportional to 11,193.82, 15,445.76 and 6,477.19

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Solution

The fourth proportional to 11,193.82, 15,445.76 and 6,477.19 is: 8,937.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.82 : 15,445.76 = 6,477.19 : x
  2. Step 2: Convert to fraction form
    11,193.82/15,445.76 = 6,477.19/x
  3. Step 3: Cross multiply
    11,193.82x = 15,445.76 × 6,477.19
  4. Step 4: Simplify right side
    11,193.82x = 100,045,051.21
  5. Step 5: Solve for x
    x = 100,045,051.21/11,193.82
  6. Step 6: Final answer
    x = 8,937.53

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Half 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.