Home / 13,344.49-20,014.45-4,458.81

Finding the Fourth Proportional to 13,344.49, 20,014.45 and 4,458.81

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Solution

The fourth proportional to 13,344.49, 20,014.45 and 4,458.81 is: 6,687.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.49 : 20,014.45 = 4,458.81 : x
  2. Step 2: Convert to fraction form
    13,344.49/20,014.45 = 4,458.81/x
  3. Step 3: Cross multiply
    13,344.49x = 20,014.45 × 4,458.81
  4. Step 4: Simplify right side
    13,344.49x = 89,240,629.80
  5. Step 5: Solve for x
    x = 89,240,629.80/13,344.49
  6. Step 6: Final answer
    x = 6,687.45

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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.