Home / 11,214.54-16,832.80-8,557.32

Finding the Fourth Proportional to 11,214.54, 16,832.80 and 8,557.32

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Solution

The fourth proportional to 11,214.54, 16,832.80 and 8,557.32 is: 12,844.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.54 : 16,832.80 = 8,557.32 : x
  2. Step 2: Convert to fraction form
    11,214.54/16,832.80 = 8,557.32/x
  3. Step 3: Cross multiply
    11,214.54x = 16,832.80 × 8,557.32
  4. Step 4: Simplify right side
    11,214.54x = 144,043,656.10
  5. Step 5: Solve for x
    x = 144,043,656.10/11,214.54
  6. Step 6: Final answer
    x = 12,844.37

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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.