Home / 13,199.00-19,782.70-9,228.58

Finding the Fourth Proportional to 13,199.00, 19,782.70 and 9,228.58

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Solution

The fourth proportional to 13,199.00, 19,782.70 and 9,228.58 is: 13,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,199.00 : 19,782.70 = 9,228.58 : x
  2. Step 2: Convert to fraction form
    13,199.00/19,782.70 = 9,228.58/x
  3. Step 3: Cross multiply
    13,199.00x = 19,782.70 × 9,228.58
  4. Step 4: Simplify right side
    13,199.00x = 182,566,157.04
  5. Step 5: Solve for x
    x = 182,566,157.04/13,199.00
  6. Step 6: Final answer
    x = 13,831.82

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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.