Home / 18,222.77-27,334.25-5,075.16

Finding the Fourth Proportional to 18,222.77, 27,334.25 and 5,075.16

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Solution

The fourth proportional to 18,222.77, 27,334.25 and 5,075.16 is: 7,612.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222.77 : 27,334.25 = 5,075.16 : x
  2. Step 2: Convert to fraction form
    18,222.77/27,334.25 = 5,075.16/x
  3. Step 3: Cross multiply
    18,222.77x = 27,334.25 × 5,075.16
  4. Step 4: Simplify right side
    18,222.77x = 138,725,666.85
  5. Step 5: Solve for x
    x = 138,725,666.85/18,222.77
  6. Step 6: Final answer
    x = 7,612.77

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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.