Home / 19,467.74-26,856.09-12,750.41

Finding the Fourth Proportional to 19,467.74, 26,856.09 and 12,750.41

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Solution

The fourth proportional to 19,467.74, 26,856.09 and 12,750.41 is: 17,589.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,467.74 : 26,856.09 = 12,750.41 : x
  2. Step 2: Convert to fraction form
    19,467.74/26,856.09 = 12,750.41/x
  3. Step 3: Cross multiply
    19,467.74x = 26,856.09 × 12,750.41
  4. Step 4: Simplify right side
    19,467.74x = 342,426,225.64
  5. Step 5: Solve for x
    x = 342,426,225.64/19,467.74
  6. Step 6: Final answer
    x = 17,589.42

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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.