Home / 13,448.46-20,172.79-4,683.35

Finding the Fourth Proportional to 13,448.46, 20,172.79 and 4,683.35

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Solution

The fourth proportional to 13,448.46, 20,172.79 and 4,683.35 is: 7,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.46 : 20,172.79 = 4,683.35 : x
  2. Step 2: Convert to fraction form
    13,448.46/20,172.79 = 4,683.35/x
  3. Step 3: Cross multiply
    13,448.46x = 20,172.79 × 4,683.35
  4. Step 4: Simplify right side
    13,448.46x = 94,476,135.18
  5. Step 5: Solve for x
    x = 94,476,135.18/13,448.46
  6. Step 6: Final answer
    x = 7,025.05

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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.