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Finding the Fourth Proportional to 11,219, 15,482.54 and 6,251.32

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Solution

The fourth proportional to 11,219, 15,482.54 and 6,251.32 is: 8,627.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219 : 15,482.54 = 6,251.32 : x
  2. Step 2: Convert to fraction form
    11,219/15,482.54 = 6,251.32/x
  3. Step 3: Cross multiply
    11,219x = 15,482.54 × 6,251.32
  4. Step 4: Simplify right side
    11,219x = 96,786,311.95
  5. Step 5: Solve for x
    x = 96,786,311.95/11,219
  6. Step 6: Final answer
    x = 8,627.00

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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.