Home / 13,134.75-19,705.37-4,369.74

Finding the Fourth Proportional to 13,134.75, 19,705.37 and 4,369.74

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Solution

The fourth proportional to 13,134.75, 19,705.37 and 4,369.74 is: 6,555.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.75 : 19,705.37 = 4,369.74 : x
  2. Step 2: Convert to fraction form
    13,134.75/19,705.37 = 4,369.74/x
  3. Step 3: Cross multiply
    13,134.75x = 19,705.37 × 4,369.74
  4. Step 4: Simplify right side
    13,134.75x = 86,107,343.50
  5. Step 5: Solve for x
    x = 86,107,343.50/13,134.75
  6. Step 6: Final answer
    x = 6,555.69

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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.