Home / 13,983.45-19,288.37-9,203.64

Finding the Fourth Proportional to 13,983.45, 19,288.37 and 9,203.64

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Solution

The fourth proportional to 13,983.45, 19,288.37 and 9,203.64 is: 12,695.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.45 : 19,288.37 = 9,203.64 : x
  2. Step 2: Convert to fraction form
    13,983.45/19,288.37 = 9,203.64/x
  3. Step 3: Cross multiply
    13,983.45x = 19,288.37 × 9,203.64
  4. Step 4: Simplify right side
    13,983.45x = 177,523,167.65
  5. Step 5: Solve for x
    x = 177,523,167.65/13,983.45
  6. Step 6: Final answer
    x = 12,695.23

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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.