Home / 10,893.60-16,318.52-9,220.55

Finding the Fourth Proportional to 10,893.60, 16,318.52 and 9,220.55

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Solution

The fourth proportional to 10,893.60, 16,318.52 and 9,220.55 is: 13,812.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.60 : 16,318.52 = 9,220.55 : x
  2. Step 2: Convert to fraction form
    10,893.60/16,318.52 = 9,220.55/x
  3. Step 3: Cross multiply
    10,893.60x = 16,318.52 × 9,220.55
  4. Step 4: Simplify right side
    10,893.60x = 150,465,729.59
  5. Step 5: Solve for x
    x = 150,465,729.59/10,893.60
  6. Step 6: Final answer
    x = 13,812.31

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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.