Home / 12,615.60-18,923.37-6,996.71

Finding the Fourth Proportional to 12,615.60, 18,923.37 and 6,996.71

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Solution

The fourth proportional to 12,615.60, 18,923.37 and 6,996.71 is: 10,495.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615.60 : 18,923.37 = 6,996.71 : x
  2. Step 2: Convert to fraction form
    12,615.60/18,923.37 = 6,996.71/x
  3. Step 3: Cross multiply
    12,615.60x = 18,923.37 × 6,996.71
  4. Step 4: Simplify right side
    12,615.60x = 132,401,237.50
  5. Step 5: Solve for x
    x = 132,401,237.50/12,615.60
  6. Step 6: Final answer
    x = 10,495.04

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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.