Home / 11,056.99-15,278.06-8,837.18

Finding the Fourth Proportional to 11,056.99, 15,278.06 and 8,837.18

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Solution

The fourth proportional to 11,056.99, 15,278.06 and 8,837.18 is: 12,210.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,056.99 : 15,278.06 = 8,837.18 : x
  2. Step 2: Convert to fraction form
    11,056.99/15,278.06 = 8,837.18/x
  3. Step 3: Cross multiply
    11,056.99x = 15,278.06 × 8,837.18
  4. Step 4: Simplify right side
    11,056.99x = 135,015,026.56
  5. Step 5: Solve for x
    x = 135,015,026.56/11,056.99
  6. Step 6: Final answer
    x = 12,210.83

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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.