Home / 11,168.32-16,752.85-5,618.64

Finding the Fourth Proportional to 11,168.32, 16,752.85 and 5,618.64

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Solution

The fourth proportional to 11,168.32, 16,752.85 and 5,618.64 is: 8,428.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.32 : 16,752.85 = 5,618.64 : x
  2. Step 2: Convert to fraction form
    11,168.32/16,752.85 = 5,618.64/x
  3. Step 3: Cross multiply
    11,168.32x = 16,752.85 × 5,618.64
  4. Step 4: Simplify right side
    11,168.32x = 94,128,233.12
  5. Step 5: Solve for x
    x = 94,128,233.12/11,168.32
  6. Step 6: Final answer
    x = 8,428.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.