Home / 13,084.80-19,627.20-8,937.60

Finding the Fourth Proportional to 13,084.80, 19,627.20 and 8,937.60

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Solution

The fourth proportional to 13,084.80, 19,627.20 and 8,937.60 is: 13,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084.80 : 19,627.20 = 8,937.60 : x
  2. Step 2: Convert to fraction form
    13,084.80/19,627.20 = 8,937.60/x
  3. Step 3: Cross multiply
    13,084.80x = 19,627.20 × 8,937.60
  4. Step 4: Simplify right side
    13,084.80x = 175,420,062.72
  5. Step 5: Solve for x
    x = 175,420,062.72/13,084.80
  6. Step 6: Final answer
    x = 13,406.40

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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.