Home / 11,150.10-15,384.96-6,611.94

Finding the Fourth Proportional to 11,150.10, 15,384.96 and 6,611.94

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Solution

The fourth proportional to 11,150.10, 15,384.96 and 6,611.94 is: 9,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.10 : 15,384.96 = 6,611.94 : x
  2. Step 2: Convert to fraction form
    11,150.10/15,384.96 = 6,611.94/x
  3. Step 3: Cross multiply
    11,150.10x = 15,384.96 × 6,611.94
  4. Step 4: Simplify right side
    11,150.10x = 101,724,432.42
  5. Step 5: Solve for x
    x = 101,724,432.42/11,150.10
  6. Step 6: Final answer
    x = 9,123.19

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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.