Home / 15,937.87-21,993.24-9,969.25

Finding the Fourth Proportional to 15,937.87, 21,993.24 and 9,969.25

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Solution

The fourth proportional to 15,937.87, 21,993.24 and 9,969.25 is: 13,756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937.87 : 21,993.24 = 9,969.25 : x
  2. Step 2: Convert to fraction form
    15,937.87/21,993.24 = 9,969.25/x
  3. Step 3: Cross multiply
    15,937.87x = 21,993.24 × 9,969.25
  4. Step 4: Simplify right side
    15,937.87x = 219,256,107.87
  5. Step 5: Solve for x
    x = 219,256,107.87/15,937.87
  6. Step 6: Final answer
    x = 13,756.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.