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Finding the Fourth Proportional to 9,945, 14,880.42 and 5,998.68

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Solution

The fourth proportional to 9,945, 14,880.42 and 5,998.68 is: 8,975.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945 : 14,880.42 = 5,998.68 : x
  2. Step 2: Convert to fraction form
    9,945/14,880.42 = 5,998.68/x
  3. Step 3: Cross multiply
    9,945x = 14,880.42 × 5,998.68
  4. Step 4: Simplify right side
    9,945x = 89,262,877.85
  5. Step 5: Solve for x
    x = 89,262,877.85/9,945
  6. Step 6: Final answer
    x = 8,975.65

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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.