Home / 14,518.85-21,750.87-8,578.01

Finding the Fourth Proportional to 14,518.85, 21,750.87 and 8,578.01

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Solution

The fourth proportional to 14,518.85, 21,750.87 and 8,578.01 is: 12,850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.85 : 21,750.87 = 8,578.01 : x
  2. Step 2: Convert to fraction form
    14,518.85/21,750.87 = 8,578.01/x
  3. Step 3: Cross multiply
    14,518.85x = 21,750.87 × 8,578.01
  4. Step 4: Simplify right side
    14,518.85x = 186,579,180.37
  5. Step 5: Solve for x
    x = 186,579,180.37/14,518.85
  6. Step 6: Final answer
    x = 12,850.82

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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.