Home / 13,880.08-20,820.12-8,033.52

Finding the Fourth Proportional to 13,880.08, 20,820.12 and 8,033.52

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Solution

The fourth proportional to 13,880.08, 20,820.12 and 8,033.52 is: 12,050.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880.08 : 20,820.12 = 8,033.52 : x
  2. Step 2: Convert to fraction form
    13,880.08/20,820.12 = 8,033.52/x
  3. Step 3: Cross multiply
    13,880.08x = 20,820.12 × 8,033.52
  4. Step 4: Simplify right side
    13,880.08x = 167,258,850.42
  5. Step 5: Solve for x
    x = 167,258,850.42/13,880.08
  6. Step 6: Final answer
    x = 12,050.28

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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.