Home / 13,180.67-19,775.56-8,244.43

Finding the Fourth Proportional to 13,180.67, 19,775.56 and 8,244.43

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Solution

The fourth proportional to 13,180.67, 19,775.56 and 8,244.43 is: 12,369.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.67 : 19,775.56 = 8,244.43 : x
  2. Step 2: Convert to fraction form
    13,180.67/19,775.56 = 8,244.43/x
  3. Step 3: Cross multiply
    13,180.67x = 19,775.56 × 8,244.43
  4. Step 4: Simplify right side
    13,180.67x = 163,038,150.08
  5. Step 5: Solve for x
    x = 163,038,150.08/13,180.67
  6. Step 6: Final answer
    x = 12,369.49

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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.