Home / 9,928.60-14,872.20-4,668.10

Finding the Fourth Proportional to 9,928.60, 14,872.20 and 4,668.10

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Solution

The fourth proportional to 9,928.60, 14,872.20 and 4,668.10 is: 6,992.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.60 : 14,872.20 = 4,668.10 : x
  2. Step 2: Convert to fraction form
    9,928.60/14,872.20 = 4,668.10/x
  3. Step 3: Cross multiply
    9,928.60x = 14,872.20 × 4,668.10
  4. Step 4: Simplify right side
    9,928.60x = 69,424,916.82
  5. Step 5: Solve for x
    x = 69,424,916.82/9,928.60
  6. Step 6: Final answer
    x = 6,992.42

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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.