Home / 11,001.71-15,183.16-6,285.89

Finding the Fourth Proportional to 11,001.71, 15,183.16 and 6,285.89

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Solution

The fourth proportional to 11,001.71, 15,183.16 and 6,285.89 is: 8,674.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.71 : 15,183.16 = 6,285.89 : x
  2. Step 2: Convert to fraction form
    11,001.71/15,183.16 = 6,285.89/x
  3. Step 3: Cross multiply
    11,001.71x = 15,183.16 × 6,285.89
  4. Step 4: Simplify right side
    11,001.71x = 95,439,581.98
  5. Step 5: Solve for x
    x = 95,439,581.98/11,001.71
  6. Step 6: Final answer
    x = 8,674.98

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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.