Home / 16,856.78-25,264.67-11,927.84

Finding the Fourth Proportional to 16,856.78, 25,264.67 and 11,927.84

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Solution

The fourth proportional to 16,856.78, 25,264.67 and 11,927.84 is: 17,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.78 : 25,264.67 = 11,927.84 : x
  2. Step 2: Convert to fraction form
    16,856.78/25,264.67 = 11,927.84/x
  3. Step 3: Cross multiply
    16,856.78x = 25,264.67 × 11,927.84
  4. Step 4: Simplify right side
    16,856.78x = 301,352,941.41
  5. Step 5: Solve for x
    x = 301,352,941.41/16,856.78
  6. Step 6: Final answer
    x = 17,877.25

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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.