Home / 11,288.86-15,578.20-6,253.30

Finding the Fourth Proportional to 11,288.86, 15,578.20 and 6,253.30

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Solution

The fourth proportional to 11,288.86, 15,578.20 and 6,253.30 is: 8,629.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.86 : 15,578.20 = 6,253.30 : x
  2. Step 2: Convert to fraction form
    11,288.86/15,578.20 = 6,253.30/x
  3. Step 3: Cross multiply
    11,288.86x = 15,578.20 × 6,253.30
  4. Step 4: Simplify right side
    11,288.86x = 97,415,158.06
  5. Step 5: Solve for x
    x = 97,415,158.06/11,288.86
  6. Step 6: Final answer
    x = 8,629.32

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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.