Home / 11,090.79-16,639.83-5,246.64

Finding the Fourth Proportional to 11,090.79, 16,639.83 and 5,246.64

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Solution

The fourth proportional to 11,090.79, 16,639.83 and 5,246.64 is: 7,871.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.79 : 16,639.83 = 5,246.64 : x
  2. Step 2: Convert to fraction form
    11,090.79/16,639.83 = 5,246.64/x
  3. Step 3: Cross multiply
    11,090.79x = 16,639.83 × 5,246.64
  4. Step 4: Simplify right side
    11,090.79x = 87,303,197.67
  5. Step 5: Solve for x
    x = 87,303,197.67/11,090.79
  6. Step 6: Final answer
    x = 7,871.68

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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.