Home / 9,142.26-13,695.09-4,205.16

Finding the Fourth Proportional to 9,142.26, 13,695.09 and 4,205.16

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Solution

The fourth proportional to 9,142.26, 13,695.09 and 4,205.16 is: 6,299.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.26 : 13,695.09 = 4,205.16 : x
  2. Step 2: Convert to fraction form
    9,142.26/13,695.09 = 4,205.16/x
  3. Step 3: Cross multiply
    9,142.26x = 13,695.09 × 4,205.16
  4. Step 4: Simplify right side
    9,142.26x = 57,590,044.66
  5. Step 5: Solve for x
    x = 57,590,044.66/9,142.26
  6. Step 6: Final answer
    x = 6,299.32

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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.