Home / 11,001.40-15,181.78-6,285.60

Finding the Fourth Proportional to 11,001.40, 15,181.78 and 6,285.60

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Solution

The fourth proportional to 11,001.40, 15,181.78 and 6,285.60 is: 8,674.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.40 : 15,181.78 = 6,285.60 : x
  2. Step 2: Convert to fraction form
    11,001.40/15,181.78 = 6,285.60/x
  3. Step 3: Cross multiply
    11,001.40x = 15,181.78 × 6,285.60
  4. Step 4: Simplify right side
    11,001.40x = 95,426,596.37
  5. Step 5: Solve for x
    x = 95,426,596.37/11,001.40
  6. Step 6: Final answer
    x = 8,674.04

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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.