Home / 19,017.05-28,532.33-8,486.11

Finding the Fourth Proportional to 19,017.05, 28,532.33 and 8,486.11

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Solution

The fourth proportional to 19,017.05, 28,532.33 and 8,486.11 is: 12,732.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.05 : 28,532.33 = 8,486.11 : x
  2. Step 2: Convert to fraction form
    19,017.05/28,532.33 = 8,486.11/x
  3. Step 3: Cross multiply
    19,017.05x = 28,532.33 × 8,486.11
  4. Step 4: Simplify right side
    19,017.05x = 242,128,490.94
  5. Step 5: Solve for x
    x = 242,128,490.94/19,017.05
  6. Step 6: Final answer
    x = 12,732.18

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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.