Home / 12,758.96-19,139.88-5,362.04

Finding the Fourth Proportional to 12,758.96, 19,139.88 and 5,362.04

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Solution

The fourth proportional to 12,758.96, 19,139.88 and 5,362.04 is: 8,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,758.96 : 19,139.88 = 5,362.04 : x
  2. Step 2: Convert to fraction form
    12,758.96/19,139.88 = 5,362.04/x
  3. Step 3: Cross multiply
    12,758.96x = 19,139.88 × 5,362.04
  4. Step 4: Simplify right side
    12,758.96x = 102,628,802.16
  5. Step 5: Solve for x
    x = 102,628,802.16/12,758.96
  6. Step 6: Final answer
    x = 8,043.67

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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.