Home / 11,001.24-15,181.44-6,285.12

Finding the Fourth Proportional to 11,001.24, 15,181.44 and 6,285.12

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Solution

The fourth proportional to 11,001.24, 15,181.44 and 6,285.12 is: 8,673.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.24 : 15,181.44 = 6,285.12 : x
  2. Step 2: Convert to fraction form
    11,001.24/15,181.44 = 6,285.12/x
  3. Step 3: Cross multiply
    11,001.24x = 15,181.44 × 6,285.12
  4. Step 4: Simplify right side
    11,001.24x = 95,417,172.17
  5. Step 5: Solve for x
    x = 95,417,172.17/11,001.24
  6. Step 6: Final answer
    x = 8,673.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.