Home / 9,989.74-14,984.60-2,969.72

Finding the Fourth Proportional to 9,989.74, 14,984.60 and 2,969.72

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Solution

The fourth proportional to 9,989.74, 14,984.60 and 2,969.72 is: 4,454.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989.74 : 14,984.60 = 2,969.72 : x
  2. Step 2: Convert to fraction form
    9,989.74/14,984.60 = 2,969.72/x
  3. Step 3: Cross multiply
    9,989.74x = 14,984.60 × 2,969.72
  4. Step 4: Simplify right side
    9,989.74x = 44,500,099.93
  5. Step 5: Solve for x
    x = 44,500,099.93/9,989.74
  6. Step 6: Final answer
    x = 4,454.58

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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.