Home / 14,511.42-21,767.12-9,579.90

Finding the Fourth Proportional to 14,511.42, 21,767.12 and 9,579.90

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Solution

The fourth proportional to 14,511.42, 21,767.12 and 9,579.90 is: 14,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.42 : 21,767.12 = 9,579.90 : x
  2. Step 2: Convert to fraction form
    14,511.42/21,767.12 = 9,579.90/x
  3. Step 3: Cross multiply
    14,511.42x = 21,767.12 × 9,579.90
  4. Step 4: Simplify right side
    14,511.42x = 208,526,856.84
  5. Step 5: Solve for x
    x = 208,526,856.84/14,511.42
  6. Step 6: Final answer
    x = 14,369.85

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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.