Home / 14,789.45-22,164.93-7,751.67

Finding the Fourth Proportional to 14,789.45, 22,164.93 and 7,751.67

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Solution

The fourth proportional to 14,789.45, 22,164.93 and 7,751.67 is: 11,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.45 : 22,164.93 = 7,751.67 : x
  2. Step 2: Convert to fraction form
    14,789.45/22,164.93 = 7,751.67/x
  3. Step 3: Cross multiply
    14,789.45x = 22,164.93 × 7,751.67
  4. Step 4: Simplify right side
    14,789.45x = 171,815,222.93
  5. Step 5: Solve for x
    x = 171,815,222.93/14,789.45
  6. Step 6: Final answer
    x = 11,617.42

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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.