Home / 13,119.74-19,673.12-4,351.69

Finding the Fourth Proportional to 13,119.74, 19,673.12 and 4,351.69

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Solution

The fourth proportional to 13,119.74, 19,673.12 and 4,351.69 is: 6,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119.74 : 19,673.12 = 4,351.69 : x
  2. Step 2: Convert to fraction form
    13,119.74/19,673.12 = 4,351.69/x
  3. Step 3: Cross multiply
    13,119.74x = 19,673.12 × 4,351.69
  4. Step 4: Simplify right side
    13,119.74x = 85,611,281.27
  5. Step 5: Solve for x
    x = 85,611,281.27/13,119.74
  6. Step 6: Final answer
    x = 6,525.38

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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.