Home / 14,168.72-19,555.43-8,200.95

Finding the Fourth Proportional to 14,168.72, 19,555.43 and 8,200.95

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Solution

The fourth proportional to 14,168.72, 19,555.43 and 8,200.95 is: 11,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.72 : 19,555.43 = 8,200.95 : x
  2. Step 2: Convert to fraction form
    14,168.72/19,555.43 = 8,200.95/x
  3. Step 3: Cross multiply
    14,168.72x = 19,555.43 × 8,200.95
  4. Step 4: Simplify right side
    14,168.72x = 160,372,989.32
  5. Step 5: Solve for x
    x = 160,372,989.32/14,168.72
  6. Step 6: Final answer
    x = 11,318.80

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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.