Home / 14,569.12-21,883.12-8,736.80

Finding the Fourth Proportional to 14,569.12, 21,883.12 and 8,736.80

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Solution

The fourth proportional to 14,569.12, 21,883.12 and 8,736.80 is: 13,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569.12 : 21,883.12 = 8,736.80 : x
  2. Step 2: Convert to fraction form
    14,569.12/21,883.12 = 8,736.80/x
  3. Step 3: Cross multiply
    14,569.12x = 21,883.12 × 8,736.80
  4. Step 4: Simplify right side
    14,569.12x = 191,188,442.82
  5. Step 5: Solve for x
    x = 191,188,442.82/14,569.12
  6. Step 6: Final answer
    x = 13,122.85

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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.