Home / 11,477.85-17,200.61-9,127.43

Finding the Fourth Proportional to 11,477.85, 17,200.61 and 9,127.43

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Solution

The fourth proportional to 11,477.85, 17,200.61 and 9,127.43 is: 13,678.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477.85 : 17,200.61 = 9,127.43 : x
  2. Step 2: Convert to fraction form
    11,477.85/17,200.61 = 9,127.43/x
  3. Step 3: Cross multiply
    11,477.85x = 17,200.61 × 9,127.43
  4. Step 4: Simplify right side
    11,477.85x = 156,997,232.09
  5. Step 5: Solve for x
    x = 156,997,232.09/11,477.85
  6. Step 6: Final answer
    x = 13,678.28

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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.