Home / 13,137.40-19,673.70-9,832.60

Finding the Fourth Proportional to 13,137.40, 19,673.70 and 9,832.60

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Solution

The fourth proportional to 13,137.40, 19,673.70 and 9,832.60 is: 14,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137.40 : 19,673.70 = 9,832.60 : x
  2. Step 2: Convert to fraction form
    13,137.40/19,673.70 = 9,832.60/x
  3. Step 3: Cross multiply
    13,137.40x = 19,673.70 × 9,832.60
  4. Step 4: Simplify right side
    13,137.40x = 193,443,622.62
  5. Step 5: Solve for x
    x = 193,443,622.62/13,137.40
  6. Step 6: Final answer
    x = 14,724.65

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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.