Home / 8,860.08-12,170.38-8,816.34

Finding the Fourth Proportional to 8,860.08, 12,170.38 and 8,816.34

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Solution

The fourth proportional to 8,860.08, 12,170.38 and 8,816.34 is: 12,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.08 : 12,170.38 = 8,816.34 : x
  2. Step 2: Convert to fraction form
    8,860.08/12,170.38 = 8,816.34/x
  3. Step 3: Cross multiply
    8,860.08x = 12,170.38 × 8,816.34
  4. Step 4: Simplify right side
    8,860.08x = 107,298,208.01
  5. Step 5: Solve for x
    x = 107,298,208.01/8,860.08
  6. Step 6: Final answer
    x = 12,110.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.