Home / 14,087.45-19,440.69-8,782.29

Finding the Fourth Proportional to 14,087.45, 19,440.69 and 8,782.29

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Solution

The fourth proportional to 14,087.45, 19,440.69 and 8,782.29 is: 12,119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.45 : 19,440.69 = 8,782.29 : x
  2. Step 2: Convert to fraction form
    14,087.45/19,440.69 = 8,782.29/x
  3. Step 3: Cross multiply
    14,087.45x = 19,440.69 × 8,782.29
  4. Step 4: Simplify right side
    14,087.45x = 170,733,793.85
  5. Step 5: Solve for x
    x = 170,733,793.85/14,087.45
  6. Step 6: Final answer
    x = 12,119.56

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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.