Home / 19,102.98-28,665.62-8,008.81

Finding the Fourth Proportional to 19,102.98, 28,665.62 and 8,008.81

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Solution

The fourth proportional to 19,102.98, 28,665.62 and 8,008.81 is: 12,017.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,102.98 : 28,665.62 = 8,008.81 : x
  2. Step 2: Convert to fraction form
    19,102.98/28,665.62 = 8,008.81/x
  3. Step 3: Cross multiply
    19,102.98x = 28,665.62 × 8,008.81
  4. Step 4: Simplify right side
    19,102.98x = 229,577,504.11
  5. Step 5: Solve for x
    x = 229,577,504.11/19,102.98
  6. Step 6: Final answer
    x = 12,017.89

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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.