Home / 12,509.30-17,245.92-8,025.26

Finding the Fourth Proportional to 12,509.30, 17,245.92 and 8,025.26

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Solution

The fourth proportional to 12,509.30, 17,245.92 and 8,025.26 is: 11,064.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509.30 : 17,245.92 = 8,025.26 : x
  2. Step 2: Convert to fraction form
    12,509.30/17,245.92 = 8,025.26/x
  3. Step 3: Cross multiply
    12,509.30x = 17,245.92 × 8,025.26
  4. Step 4: Simplify right side
    12,509.30x = 138,402,991.94
  5. Step 5: Solve for x
    x = 138,402,991.94/12,509.30
  6. Step 6: Final answer
    x = 11,064.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.