Home / 11,209.34-16,814.30-3,418.13

Finding the Fourth Proportional to 11,209.34, 16,814.30 and 3,418.13

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Solution

The fourth proportional to 11,209.34, 16,814.30 and 3,418.13 is: 5,127.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.34 : 16,814.30 = 3,418.13 : x
  2. Step 2: Convert to fraction form
    11,209.34/16,814.30 = 3,418.13/x
  3. Step 3: Cross multiply
    11,209.34x = 16,814.30 × 3,418.13
  4. Step 4: Simplify right side
    11,209.34x = 57,473,362.10
  5. Step 5: Solve for x
    x = 57,473,362.10/11,209.34
  6. Step 6: Final answer
    x = 5,127.28

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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.