Home / 19,214.10-28,815.75-9,353.70

Finding the Fourth Proportional to 19,214.10, 28,815.75 and 9,353.70

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Solution

The fourth proportional to 19,214.10, 28,815.75 and 9,353.70 is: 14,027.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.10 : 28,815.75 = 9,353.70 : x
  2. Step 2: Convert to fraction form
    19,214.10/28,815.75 = 9,353.70/x
  3. Step 3: Cross multiply
    19,214.10x = 28,815.75 × 9,353.70
  4. Step 4: Simplify right side
    19,214.10x = 269,533,880.78
  5. Step 5: Solve for x
    x = 269,533,880.78/19,214.10
  6. Step 6: Final answer
    x = 14,027.92

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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.