Home / 10,984.20-16,454.70-10,206.60

Finding the Fourth Proportional to 10,984.20, 16,454.70 and 10,206.60

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Solution

The fourth proportional to 10,984.20, 16,454.70 and 10,206.60 is: 15,289.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,984.20 : 16,454.70 = 10,206.60 : x
  2. Step 2: Convert to fraction form
    10,984.20/16,454.70 = 10,206.60/x
  3. Step 3: Cross multiply
    10,984.20x = 16,454.70 × 10,206.60
  4. Step 4: Simplify right side
    10,984.20x = 167,946,541.02
  5. Step 5: Solve for x
    x = 167,946,541.02/10,984.20
  6. Step 6: Final answer
    x = 15,289.83

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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.