Home / 19,206.86-26,515.91-13,270.44

Finding the Fourth Proportional to 19,206.86, 26,515.91 and 13,270.44

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Solution

The fourth proportional to 19,206.86, 26,515.91 and 13,270.44 is: 18,320.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,206.86 : 26,515.91 = 13,270.44 : x
  2. Step 2: Convert to fraction form
    19,206.86/26,515.91 = 13,270.44/x
  3. Step 3: Cross multiply
    19,206.86x = 26,515.91 × 13,270.44
  4. Step 4: Simplify right side
    19,206.86x = 351,877,825.88
  5. Step 5: Solve for x
    x = 351,877,825.88/19,206.86
  6. Step 6: Final answer
    x = 18,320.42

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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.