Home / 13,618.04-18,794.79-7,650.17

Finding the Fourth Proportional to 13,618.04, 18,794.79 and 7,650.17

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Solution

The fourth proportional to 13,618.04, 18,794.79 and 7,650.17 is: 10,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,618.04 : 18,794.79 = 7,650.17 : x
  2. Step 2: Convert to fraction form
    13,618.04/18,794.79 = 7,650.17/x
  3. Step 3: Cross multiply
    13,618.04x = 18,794.79 × 7,650.17
  4. Step 4: Simplify right side
    13,618.04x = 143,783,244.64
  5. Step 5: Solve for x
    x = 143,783,244.64/13,618.04
  6. Step 6: Final answer
    x = 10,558.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.