Home / 12,204.60-16,842.24-6,615.60

Finding the Fourth Proportional to 12,204.60, 16,842.24 and 6,615.60

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Solution

The fourth proportional to 12,204.60, 16,842.24 and 6,615.60 is: 9,129.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.60 : 16,842.24 = 6,615.60 : x
  2. Step 2: Convert to fraction form
    12,204.60/16,842.24 = 6,615.60/x
  3. Step 3: Cross multiply
    12,204.60x = 16,842.24 × 6,615.60
  4. Step 4: Simplify right side
    12,204.60x = 111,421,522.94
  5. Step 5: Solve for x
    x = 111,421,522.94/12,204.60
  6. Step 6: Final answer
    x = 9,129.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.