Home / 11,252.79-16,880.81-3,459.78

Finding the Fourth Proportional to 11,252.79, 16,880.81 and 3,459.78

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Solution

The fourth proportional to 11,252.79, 16,880.81 and 3,459.78 is: 5,190.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,252.79 : 16,880.81 = 3,459.78 : x
  2. Step 2: Convert to fraction form
    11,252.79/16,880.81 = 3,459.78/x
  3. Step 3: Cross multiply
    11,252.79x = 16,880.81 × 3,459.78
  4. Step 4: Simplify right side
    11,252.79x = 58,403,871.52
  5. Step 5: Solve for x
    x = 58,403,871.52/11,252.79
  6. Step 6: Final answer
    x = 5,190.17

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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.