Home / 12,508.57-17,254.44-8,674.23

Finding the Fourth Proportional to 12,508.57, 17,254.44 and 8,674.23

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Solution

The fourth proportional to 12,508.57, 17,254.44 and 8,674.23 is: 11,965.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508.57 : 17,254.44 = 8,674.23 : x
  2. Step 2: Convert to fraction form
    12,508.57/17,254.44 = 8,674.23/x
  3. Step 3: Cross multiply
    12,508.57x = 17,254.44 × 8,674.23
  4. Step 4: Simplify right side
    12,508.57x = 149,668,981.08
  5. Step 5: Solve for x
    x = 149,668,981.08/12,508.57
  6. Step 6: Final answer
    x = 11,965.32

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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.