Home / 23,147.19-31,943.09-12,536.87

Finding the Fourth Proportional to 23,147.19, 31,943.09 and 12,536.87

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Solution

The fourth proportional to 23,147.19, 31,943.09 and 12,536.87 is: 17,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,147.19 : 31,943.09 = 12,536.87 : x
  2. Step 2: Convert to fraction form
    23,147.19/31,943.09 = 12,536.87/x
  3. Step 3: Cross multiply
    23,147.19x = 31,943.09 × 12,536.87
  4. Step 4: Simplify right side
    23,147.19x = 400,466,238.36
  5. Step 5: Solve for x
    x = 400,466,238.36/23,147.19
  6. Step 6: Final answer
    x = 17,300.86

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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.