Home / 11,089.64-15,303.32-6,611.09

Finding the Fourth Proportional to 11,089.64, 15,303.32 and 6,611.09

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Solution

The fourth proportional to 11,089.64, 15,303.32 and 6,611.09 is: 9,123.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.64 : 15,303.32 = 6,611.09 : x
  2. Step 2: Convert to fraction form
    11,089.64/15,303.32 = 6,611.09/x
  3. Step 3: Cross multiply
    11,089.64x = 15,303.32 × 6,611.09
  4. Step 4: Simplify right side
    11,089.64x = 101,171,625.82
  5. Step 5: Solve for x
    x = 101,171,625.82/11,089.64
  6. Step 6: Final answer
    x = 9,123.08

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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.