Home / 9,946.40-14,919.60-3,020.90

Finding the Fourth Proportional to 9,946.40, 14,919.60 and 3,020.90

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Solution

The fourth proportional to 9,946.40, 14,919.60 and 3,020.90 is: 4,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,946.40 : 14,919.60 = 3,020.90 : x
  2. Step 2: Convert to fraction form
    9,946.40/14,919.60 = 3,020.90/x
  3. Step 3: Cross multiply
    9,946.40x = 14,919.60 × 3,020.90
  4. Step 4: Simplify right side
    9,946.40x = 45,070,619.64
  5. Step 5: Solve for x
    x = 45,070,619.64/9,946.40
  6. Step 6: Final answer
    x = 4,531.35

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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.