Home / 12,857.13-19,260.38-8,461.26

Finding the Fourth Proportional to 12,857.13, 19,260.38 and 8,461.26

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Solution

The fourth proportional to 12,857.13, 19,260.38 and 8,461.26 is: 12,675.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,857.13 : 19,260.38 = 8,461.26 : x
  2. Step 2: Convert to fraction form
    12,857.13/19,260.38 = 8,461.26/x
  3. Step 3: Cross multiply
    12,857.13x = 19,260.38 × 8,461.26
  4. Step 4: Simplify right side
    12,857.13x = 162,967,104.03
  5. Step 5: Solve for x
    x = 162,967,104.03/12,857.13
  6. Step 6: Final answer
    x = 12,675.23

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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.