Home / 11,183.49-15,435.90-6,931.98

Finding the Fourth Proportional to 11,183.49, 15,435.90 and 6,931.98

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Solution

The fourth proportional to 11,183.49, 15,435.90 and 6,931.98 is: 9,567.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.49 : 15,435.90 = 6,931.98 : x
  2. Step 2: Convert to fraction form
    11,183.49/15,435.90 = 6,931.98/x
  3. Step 3: Cross multiply
    11,183.49x = 15,435.90 × 6,931.98
  4. Step 4: Simplify right side
    11,183.49x = 107,001,350.08
  5. Step 5: Solve for x
    x = 107,001,350.08/11,183.49
  6. Step 6: Final answer
    x = 9,567.80

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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.