Home / 9,980.42-14,969.61-4,433.94

Finding the Fourth Proportional to 9,980.42, 14,969.61 and 4,433.94

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Solution

The fourth proportional to 9,980.42, 14,969.61 and 4,433.94 is: 6,650.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980.42 : 14,969.61 = 4,433.94 : x
  2. Step 2: Convert to fraction form
    9,980.42/14,969.61 = 4,433.94/x
  3. Step 3: Cross multiply
    9,980.42x = 14,969.61 × 4,433.94
  4. Step 4: Simplify right side
    9,980.42x = 66,374,352.56
  5. Step 5: Solve for x
    x = 66,374,352.56/9,980.42
  6. Step 6: Final answer
    x = 6,650.46

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1.5x scale

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.