Home / 11,380.08-17,070.10-5,531.64

Finding the Fourth Proportional to 11,380.08, 17,070.10 and 5,531.64

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Solution

The fourth proportional to 11,380.08, 17,070.10 and 5,531.64 is: 8,297.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.08 : 17,070.10 = 5,531.64 : x
  2. Step 2: Convert to fraction form
    11,380.08/17,070.10 = 5,531.64/x
  3. Step 3: Cross multiply
    11,380.08x = 17,070.10 × 5,531.64
  4. Step 4: Simplify right side
    11,380.08x = 94,425,647.96
  5. Step 5: Solve for x
    x = 94,425,647.96/11,380.08
  6. Step 6: Final answer
    x = 8,297.45

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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.