Home / 18,355.90-27,533.38-5,208.28

Finding the Fourth Proportional to 18,355.90, 27,533.38 and 5,208.28

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Solution

The fourth proportional to 18,355.90, 27,533.38 and 5,208.28 is: 7,812.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355.90 : 27,533.38 = 5,208.28 : x
  2. Step 2: Convert to fraction form
    18,355.90/27,533.38 = 5,208.28/x
  3. Step 3: Cross multiply
    18,355.90x = 27,533.38 × 5,208.28
  4. Step 4: Simplify right side
    18,355.90x = 143,401,552.39
  5. Step 5: Solve for x
    x = 143,401,552.39/18,355.90
  6. Step 6: Final answer
    x = 7,812.29

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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.