Home / 14,318.82-19,755.21-8,655.30

Finding the Fourth Proportional to 14,318.82, 19,755.21 and 8,655.30

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Solution

The fourth proportional to 14,318.82, 19,755.21 and 8,655.30 is: 11,941.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.82 : 19,755.21 = 8,655.30 : x
  2. Step 2: Convert to fraction form
    14,318.82/19,755.21 = 8,655.30/x
  3. Step 3: Cross multiply
    14,318.82x = 19,755.21 × 8,655.30
  4. Step 4: Simplify right side
    14,318.82x = 170,987,269.11
  5. Step 5: Solve for x
    x = 170,987,269.11/14,318.82
  6. Step 6: Final answer
    x = 11,941.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.