Home / 11,187.51-15,438.82-6,152.06

Finding the Fourth Proportional to 11,187.51, 15,438.82 and 6,152.06

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Solution

The fourth proportional to 11,187.51, 15,438.82 and 6,152.06 is: 8,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.51 : 15,438.82 = 6,152.06 : x
  2. Step 2: Convert to fraction form
    11,187.51/15,438.82 = 6,152.06/x
  3. Step 3: Cross multiply
    11,187.51x = 15,438.82 × 6,152.06
  4. Step 4: Simplify right side
    11,187.51x = 94,980,546.97
  5. Step 5: Solve for x
    x = 94,980,546.97/11,187.51
  6. Step 6: Final answer
    x = 8,489.87

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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.