Home / 11,247.90-16,871.13-3,457.50

Finding the Fourth Proportional to 11,247.90, 16,871.13 and 3,457.50

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Solution

The fourth proportional to 11,247.90, 16,871.13 and 3,457.50 is: 5,186.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.90 : 16,871.13 = 3,457.50 : x
  2. Step 2: Convert to fraction form
    11,247.90/16,871.13 = 3,457.50/x
  3. Step 3: Cross multiply
    11,247.90x = 16,871.13 × 3,457.50
  4. Step 4: Simplify right side
    11,247.90x = 58,331,931.98
  5. Step 5: Solve for x
    x = 58,331,931.98/11,247.90
  6. Step 6: Final answer
    x = 5,186.03

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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.