Home / 8,990.08-13,473.48-6,212.32

Finding the Fourth Proportional to 8,990.08, 13,473.48 and 6,212.32

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Solution

The fourth proportional to 8,990.08, 13,473.48 and 6,212.32 is: 9,310.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990.08 : 13,473.48 = 6,212.32 : x
  2. Step 2: Convert to fraction form
    8,990.08/13,473.48 = 6,212.32/x
  3. Step 3: Cross multiply
    8,990.08x = 13,473.48 × 6,212.32
  4. Step 4: Simplify right side
    8,990.08x = 83,701,569.27
  5. Step 5: Solve for x
    x = 83,701,569.27/8,990.08
  6. Step 6: Final answer
    x = 9,310.44

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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.