Home / 9,981.37-14,969.01-4,431.25

Finding the Fourth Proportional to 9,981.37, 14,969.01 and 4,431.25

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Solution

The fourth proportional to 9,981.37, 14,969.01 and 4,431.25 is: 6,645.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.37 : 14,969.01 = 4,431.25 : x
  2. Step 2: Convert to fraction form
    9,981.37/14,969.01 = 4,431.25/x
  3. Step 3: Cross multiply
    9,981.37x = 14,969.01 × 4,431.25
  4. Step 4: Simplify right side
    9,981.37x = 66,331,425.56
  5. Step 5: Solve for x
    x = 66,331,425.56/9,981.37
  6. Step 6: Final answer
    x = 6,645.52

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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.