Home / 19,136.72-26,373.96-14,409.68

Finding the Fourth Proportional to 19,136.72, 26,373.96 and 14,409.68

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Solution

The fourth proportional to 19,136.72, 26,373.96 and 14,409.68 is: 19,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.72 : 26,373.96 = 14,409.68 : x
  2. Step 2: Convert to fraction form
    19,136.72/26,373.96 = 14,409.68/x
  3. Step 3: Cross multiply
    19,136.72x = 26,373.96 × 14,409.68
  4. Step 4: Simplify right side
    19,136.72x = 380,040,323.93
  5. Step 5: Solve for x
    x = 380,040,323.93/19,136.72
  6. Step 6: Final answer
    x = 19,859.22

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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.