Home / 18,762.82-28,145.67-6,282.88

Finding the Fourth Proportional to 18,762.82, 28,145.67 and 6,282.88

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Solution

The fourth proportional to 18,762.82, 28,145.67 and 6,282.88 is: 9,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,762.82 : 28,145.67 = 6,282.88 : x
  2. Step 2: Convert to fraction form
    18,762.82/28,145.67 = 6,282.88/x
  3. Step 3: Cross multiply
    18,762.82x = 28,145.67 × 6,282.88
  4. Step 4: Simplify right side
    18,762.82x = 176,835,867.13
  5. Step 5: Solve for x
    x = 176,835,867.13/18,762.82
  6. Step 6: Final answer
    x = 9,424.80

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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.