Home / 13,847.55-19,118.76-8,550.15

Finding the Fourth Proportional to 13,847.55, 19,118.76 and 8,550.15

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Solution

The fourth proportional to 13,847.55, 19,118.76 and 8,550.15 is: 11,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.55 : 19,118.76 = 8,550.15 : x
  2. Step 2: Convert to fraction form
    13,847.55/19,118.76 = 8,550.15/x
  3. Step 3: Cross multiply
    13,847.55x = 19,118.76 × 8,550.15
  4. Step 4: Simplify right side
    13,847.55x = 163,468,265.81
  5. Step 5: Solve for x
    x = 163,468,265.81/13,847.55
  6. Step 6: Final answer
    x = 11,804.85

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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.