Home / 8,929.06-13,400.30-6,111.14

Finding the Fourth Proportional to 8,929.06, 13,400.30 and 6,111.14

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Solution

The fourth proportional to 8,929.06, 13,400.30 and 6,111.14 is: 9,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.06 : 13,400.30 = 6,111.14 : x
  2. Step 2: Convert to fraction form
    8,929.06/13,400.30 = 6,111.14/x
  3. Step 3: Cross multiply
    8,929.06x = 13,400.30 × 6,111.14
  4. Step 4: Simplify right side
    8,929.06x = 81,891,057.62
  5. Step 5: Solve for x
    x = 81,891,057.62/8,929.06
  6. Step 6: Final answer
    x = 9,171.30

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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.