Home / 13,138.73-19,697.46-8,968.24

Finding the Fourth Proportional to 13,138.73, 19,697.46 and 8,968.24

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Solution

The fourth proportional to 13,138.73, 19,697.46 and 8,968.24 is: 13,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,138.73 : 19,697.46 = 8,968.24 : x
  2. Step 2: Convert to fraction form
    13,138.73/19,697.46 = 8,968.24/x
  3. Step 3: Cross multiply
    13,138.73x = 19,697.46 × 8,968.24
  4. Step 4: Simplify right side
    13,138.73x = 176,651,548.67
  5. Step 5: Solve for x
    x = 176,651,548.67/13,138.73
  6. Step 6: Final answer
    x = 13,445.10

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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.