Home / 11,193.05-15,444.72-6,412.25

Finding the Fourth Proportional to 11,193.05, 15,444.72 and 6,412.25

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Solution

The fourth proportional to 11,193.05, 15,444.72 and 6,412.25 is: 8,847.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.05 : 15,444.72 = 6,412.25 : x
  2. Step 2: Convert to fraction form
    11,193.05/15,444.72 = 6,412.25/x
  3. Step 3: Cross multiply
    11,193.05x = 15,444.72 × 6,412.25
  4. Step 4: Simplify right side
    11,193.05x = 99,035,405.82
  5. Step 5: Solve for x
    x = 99,035,405.82/11,193.05
  6. Step 6: Final answer
    x = 8,847.94

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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.