Home / 11,059.62-15,261.93-6,343.80

Finding the Fourth Proportional to 11,059.62, 15,261.93 and 6,343.80

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Solution

The fourth proportional to 11,059.62, 15,261.93 and 6,343.80 is: 8,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,059.62 : 15,261.93 = 6,343.80 : x
  2. Step 2: Convert to fraction form
    11,059.62/15,261.93 = 6,343.80/x
  3. Step 3: Cross multiply
    11,059.62x = 15,261.93 × 6,343.80
  4. Step 4: Simplify right side
    11,059.62x = 96,818,631.53
  5. Step 5: Solve for x
    x = 96,818,631.53/11,059.62
  6. Step 6: Final answer
    x = 8,754.25

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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.