Home / 12,418.45-18,636.04-4,627.26

Finding the Fourth Proportional to 12,418.45, 18,636.04 and 4,627.26

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Solution

The fourth proportional to 12,418.45, 18,636.04 and 4,627.26 is: 6,944.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418.45 : 18,636.04 = 4,627.26 : x
  2. Step 2: Convert to fraction form
    12,418.45/18,636.04 = 4,627.26/x
  3. Step 3: Cross multiply
    12,418.45x = 18,636.04 × 4,627.26
  4. Step 4: Simplify right side
    12,418.45x = 86,233,802.45
  5. Step 5: Solve for x
    x = 86,233,802.45/12,418.45
  6. Step 6: Final answer
    x = 6,944.01

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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.