Home / 14,518.45-21,780.72-5,753.44

Finding the Fourth Proportional to 14,518.45, 21,780.72 and 5,753.44

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Solution

The fourth proportional to 14,518.45, 21,780.72 and 5,753.44 is: 8,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.45 : 21,780.72 = 5,753.44 : x
  2. Step 2: Convert to fraction form
    14,518.45/21,780.72 = 5,753.44/x
  3. Step 3: Cross multiply
    14,518.45x = 21,780.72 × 5,753.44
  4. Step 4: Simplify right side
    14,518.45x = 125,314,065.68
  5. Step 5: Solve for x
    x = 125,314,065.68/14,518.45
  6. Step 6: Final answer
    x = 8,631.37

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1.5x scale

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.