Home / 11,087.70-15,302.57-6,371.88

Finding the Fourth Proportional to 11,087.70, 15,302.57 and 6,371.88

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Solution

The fourth proportional to 11,087.70, 15,302.57 and 6,371.88 is: 8,794.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.70 : 15,302.57 = 6,371.88 : x
  2. Step 2: Convert to fraction form
    11,087.70/15,302.57 = 6,371.88/x
  3. Step 3: Cross multiply
    11,087.70x = 15,302.57 × 6,371.88
  4. Step 4: Simplify right side
    11,087.70x = 97,506,107.87
  5. Step 5: Solve for x
    x = 97,506,107.87/11,087.70
  6. Step 6: Final answer
    x = 8,794.08

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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.