Home / 13,388.69-20,083.55-4,030.04

Finding the Fourth Proportional to 13,388.69, 20,083.55 and 4,030.04

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Solution

The fourth proportional to 13,388.69, 20,083.55 and 4,030.04 is: 6,045.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388.69 : 20,083.55 = 4,030.04 : x
  2. Step 2: Convert to fraction form
    13,388.69/20,083.55 = 4,030.04/x
  3. Step 3: Cross multiply
    13,388.69x = 20,083.55 × 4,030.04
  4. Step 4: Simplify right side
    13,388.69x = 80,937,570.13
  5. Step 5: Solve for x
    x = 80,937,570.13/13,388.69
  6. Step 6: Final answer
    x = 6,045.22

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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.