Home / 19,114.94-28,670.99-8,021.18

Finding the Fourth Proportional to 19,114.94, 28,670.99 and 8,021.18

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Solution

The fourth proportional to 19,114.94, 28,670.99 and 8,021.18 is: 12,031.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.94 : 28,670.99 = 8,021.18 : x
  2. Step 2: Convert to fraction form
    19,114.94/28,670.99 = 8,021.18/x
  3. Step 3: Cross multiply
    19,114.94x = 28,670.99 × 8,021.18
  4. Step 4: Simplify right side
    19,114.94x = 229,974,988.11
  5. Step 5: Solve for x
    x = 229,974,988.11/19,114.94
  6. Step 6: Final answer
    x = 12,031.17

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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.