Home / 12,744.99-19,116.27-4,424.67

Finding the Fourth Proportional to 12,744.99, 19,116.27 and 4,424.67

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Solution

The fourth proportional to 12,744.99, 19,116.27 and 4,424.67 is: 6,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744.99 : 19,116.27 = 4,424.67 : x
  2. Step 2: Convert to fraction form
    12,744.99/19,116.27 = 4,424.67/x
  3. Step 3: Cross multiply
    12,744.99x = 19,116.27 × 4,424.67
  4. Step 4: Simplify right side
    12,744.99x = 84,583,186.38
  5. Step 5: Solve for x
    x = 84,583,186.38/12,744.99
  6. Step 6: Final answer
    x = 6,636.58

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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.