Home / 14,281.45-19,708.80-7,993.83

Finding the Fourth Proportional to 14,281.45, 19,708.80 and 7,993.83

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Solution

The fourth proportional to 14,281.45, 19,708.80 and 7,993.83 is: 11,031.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.45 : 19,708.80 = 7,993.83 : x
  2. Step 2: Convert to fraction form
    14,281.45/19,708.80 = 7,993.83/x
  3. Step 3: Cross multiply
    14,281.45x = 19,708.80 × 7,993.83
  4. Step 4: Simplify right side
    14,281.45x = 157,548,796.70
  5. Step 5: Solve for x
    x = 157,548,796.70/14,281.45
  6. Step 6: Final answer
    x = 11,031.71

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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.