Home / 13,900.04-20,852.09-4,038.03

Finding the Fourth Proportional to 13,900.04, 20,852.09 and 4,038.03

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Solution

The fourth proportional to 13,900.04, 20,852.09 and 4,038.03 is: 6,057.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.04 : 20,852.09 = 4,038.03 : x
  2. Step 2: Convert to fraction form
    13,900.04/20,852.09 = 4,038.03/x
  3. Step 3: Cross multiply
    13,900.04x = 20,852.09 × 4,038.03
  4. Step 4: Simplify right side
    13,900.04x = 84,201,344.79
  5. Step 5: Solve for x
    x = 84,201,344.79/13,900.04
  6. Step 6: Final answer
    x = 6,057.64

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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.