Home / 11,289.29-15,578.03-6,253.37

Finding the Fourth Proportional to 11,289.29, 15,578.03 and 6,253.37

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Solution

The fourth proportional to 11,289.29, 15,578.03 and 6,253.37 is: 8,628.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.29 : 15,578.03 = 6,253.37 : x
  2. Step 2: Convert to fraction form
    11,289.29/15,578.03 = 6,253.37/x
  3. Step 3: Cross multiply
    11,289.29x = 15,578.03 × 6,253.37
  4. Step 4: Simplify right side
    11,289.29x = 97,415,185.46
  5. Step 5: Solve for x
    x = 97,415,185.46/11,289.29
  6. Step 6: Final answer
    x = 8,628.99

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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.