Home / 13,184.70-19,777.08-4,419.66

Finding the Fourth Proportional to 13,184.70, 19,777.08 and 4,419.66

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Solution

The fourth proportional to 13,184.70, 19,777.08 and 4,419.66 is: 6,629.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.70 : 19,777.08 = 4,419.66 : x
  2. Step 2: Convert to fraction form
    13,184.70/19,777.08 = 4,419.66/x
  3. Step 3: Cross multiply
    13,184.70x = 19,777.08 × 4,419.66
  4. Step 4: Simplify right side
    13,184.70x = 87,407,969.39
  5. Step 5: Solve for x
    x = 87,407,969.39/13,184.70
  6. Step 6: Final answer
    x = 6,629.50

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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.