Home / 11,289.56-15,578.05-6,252.54

Finding the Fourth Proportional to 11,289.56, 15,578.05 and 6,252.54

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Solution

The fourth proportional to 11,289.56, 15,578.05 and 6,252.54 is: 8,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.56 : 15,578.05 = 6,252.54 : x
  2. Step 2: Convert to fraction form
    11,289.56/15,578.05 = 6,252.54/x
  3. Step 3: Cross multiply
    11,289.56x = 15,578.05 × 6,252.54
  4. Step 4: Simplify right side
    11,289.56x = 97,402,302.86
  5. Step 5: Solve for x
    x = 97,402,302.86/11,289.56
  6. Step 6: Final answer
    x = 8,627.65

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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.