Home / 14,238.24-19,658-12,743.56

Finding the Fourth Proportional to 14,238.24, 19,658 and 12,743.56

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Solution

The fourth proportional to 14,238.24, 19,658 and 12,743.56 is: 17,594.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.24 : 19,658 = 12,743.56 : x
  2. Step 2: Convert to fraction form
    14,238.24/19,658 = 12,743.56/x
  3. Step 3: Cross multiply
    14,238.24x = 19,658 × 12,743.56
  4. Step 4: Simplify right side
    14,238.24x = 250,512,902.48
  5. Step 5: Solve for x
    x = 250,512,902.48/14,238.24
  6. Step 6: Final answer
    x = 17,594.37

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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.