Home / 14,580.10-21,896.55-12,765.70

Finding the Fourth Proportional to 14,580.10, 21,896.55 and 12,765.70

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Solution

The fourth proportional to 14,580.10, 21,896.55 and 12,765.70 is: 19,171.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580.10 : 21,896.55 = 12,765.70 : x
  2. Step 2: Convert to fraction form
    14,580.10/21,896.55 = 12,765.70/x
  3. Step 3: Cross multiply
    14,580.10x = 21,896.55 × 12,765.70
  4. Step 4: Simplify right side
    14,580.10x = 279,524,788.34
  5. Step 5: Solve for x
    x = 279,524,788.34/14,580.10
  6. Step 6: Final answer
    x = 19,171.66

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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.