Home / 11,289.74-15,578.96-6,253.57

Finding the Fourth Proportional to 11,289.74, 15,578.96 and 6,253.57

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Solution

The fourth proportional to 11,289.74, 15,578.96 and 6,253.57 is: 8,629.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.74 : 15,578.96 = 6,253.57 : x
  2. Step 2: Convert to fraction form
    11,289.74/15,578.96 = 6,253.57/x
  3. Step 3: Cross multiply
    11,289.74x = 15,578.96 × 6,253.57
  4. Step 4: Simplify right side
    11,289.74x = 97,424,116.89
  5. Step 5: Solve for x
    x = 97,424,116.89/11,289.74
  6. Step 6: Final answer
    x = 8,629.44

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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.