Home / 12,707.11-19,060.53-12,393.37

Finding the Fourth Proportional to 12,707.11, 19,060.53 and 12,393.37

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Solution

The fourth proportional to 12,707.11, 19,060.53 and 12,393.37 is: 18,589.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,707.11 : 19,060.53 = 12,393.37 : x
  2. Step 2: Convert to fraction form
    12,707.11/19,060.53 = 12,393.37/x
  3. Step 3: Cross multiply
    12,707.11x = 19,060.53 × 12,393.37
  4. Step 4: Simplify right side
    12,707.11x = 236,224,200.69
  5. Step 5: Solve for x
    x = 236,224,200.69/12,707.11
  6. Step 6: Final answer
    x = 18,589.92

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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.