Home / 19,006.90-26,217.06-11,448.12

Finding the Fourth Proportional to 19,006.90, 26,217.06 and 11,448.12

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Solution

The fourth proportional to 19,006.90, 26,217.06 and 11,448.12 is: 15,790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.90 : 26,217.06 = 11,448.12 : x
  2. Step 2: Convert to fraction form
    19,006.90/26,217.06 = 11,448.12/x
  3. Step 3: Cross multiply
    19,006.90x = 26,217.06 × 11,448.12
  4. Step 4: Simplify right side
    19,006.90x = 300,136,048.93
  5. Step 5: Solve for x
    x = 300,136,048.93/19,006.90
  6. Step 6: Final answer
    x = 15,790.90

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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.