Home / 13,368.80-20,057.93-6,259.38

Finding the Fourth Proportional to 13,368.80, 20,057.93 and 6,259.38

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Solution

The fourth proportional to 13,368.80, 20,057.93 and 6,259.38 is: 9,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.80 : 20,057.93 = 6,259.38 : x
  2. Step 2: Convert to fraction form
    13,368.80/20,057.93 = 6,259.38/x
  3. Step 3: Cross multiply
    13,368.80x = 20,057.93 × 6,259.38
  4. Step 4: Simplify right side
    13,368.80x = 125,550,122.84
  5. Step 5: Solve for x
    x = 125,550,122.84/13,368.80
  6. Step 6: Final answer
    x = 9,391.28

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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.