Home / 13,445.70-20,170.35-4,683.30

Finding the Fourth Proportional to 13,445.70, 20,170.35 and 4,683.30

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Solution

The fourth proportional to 13,445.70, 20,170.35 and 4,683.30 is: 7,025.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445.70 : 20,170.35 = 4,683.30 : x
  2. Step 2: Convert to fraction form
    13,445.70/20,170.35 = 4,683.30/x
  3. Step 3: Cross multiply
    13,445.70x = 20,170.35 × 4,683.30
  4. Step 4: Simplify right side
    13,445.70x = 94,463,800.16
  5. Step 5: Solve for x
    x = 94,463,800.16/13,445.70
  6. Step 6: Final answer
    x = 7,025.58

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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.