Home / 13,089.06-19,634.22-4,323.78

Finding the Fourth Proportional to 13,089.06, 19,634.22 and 4,323.78

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Solution

The fourth proportional to 13,089.06, 19,634.22 and 4,323.78 is: 6,485.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.06 : 19,634.22 = 4,323.78 : x
  2. Step 2: Convert to fraction form
    13,089.06/19,634.22 = 4,323.78/x
  3. Step 3: Cross multiply
    13,089.06x = 19,634.22 × 4,323.78
  4. Step 4: Simplify right side
    13,089.06x = 84,894,047.75
  5. Step 5: Solve for x
    x = 84,894,047.75/13,089.06
  6. Step 6: Final answer
    x = 6,485.88

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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.