Home / 18,670.33-27,995.77-5,520.93

Finding the Fourth Proportional to 18,670.33, 27,995.77 and 5,520.93

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Solution

The fourth proportional to 18,670.33, 27,995.77 and 5,520.93 is: 8,278.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670.33 : 27,995.77 = 5,520.93 : x
  2. Step 2: Convert to fraction form
    18,670.33/27,995.77 = 5,520.93/x
  3. Step 3: Cross multiply
    18,670.33x = 27,995.77 × 5,520.93
  4. Step 4: Simplify right side
    18,670.33x = 154,562,686.47
  5. Step 5: Solve for x
    x = 154,562,686.47/18,670.33
  6. Step 6: Final answer
    x = 8,278.52

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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.