Home / 12,689.04-19,021.01-6,013.81

Finding the Fourth Proportional to 12,689.04, 19,021.01 and 6,013.81

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Solution

The fourth proportional to 12,689.04, 19,021.01 and 6,013.81 is: 9,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,689.04 : 19,021.01 = 6,013.81 : x
  2. Step 2: Convert to fraction form
    12,689.04/19,021.01 = 6,013.81/x
  3. Step 3: Cross multiply
    12,689.04x = 19,021.01 × 6,013.81
  4. Step 4: Simplify right side
    12,689.04x = 114,388,740.15
  5. Step 5: Solve for x
    x = 114,388,740.15/12,689.04
  6. Step 6: Final answer
    x = 9,014.77

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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.