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Finding the Fourth Proportional to 8,974.44, 13,483.62 and 8,477.10

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Solution

The fourth proportional to 8,974.44, 13,483.62 and 8,477.10 is: 12,736.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.44 : 13,483.62 = 8,477.10 : x
  2. Step 2: Convert to fraction form
    8,974.44/13,483.62 = 8,477.10/x
  3. Step 3: Cross multiply
    8,974.44x = 13,483.62 × 8,477.10
  4. Step 4: Simplify right side
    8,974.44x = 114,301,995.10
  5. Step 5: Solve for x
    x = 114,301,995.10/8,974.44
  6. Step 6: Final answer
    x = 12,736.39

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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.