Home / 13,903.03-20,857.79-4,543.48

Finding the Fourth Proportional to 13,903.03, 20,857.79 and 4,543.48

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Solution

The fourth proportional to 13,903.03, 20,857.79 and 4,543.48 is: 6,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.03 : 20,857.79 = 4,543.48 : x
  2. Step 2: Convert to fraction form
    13,903.03/20,857.79 = 4,543.48/x
  3. Step 3: Cross multiply
    13,903.03x = 20,857.79 × 4,543.48
  4. Step 4: Simplify right side
    13,903.03x = 94,766,951.71
  5. Step 5: Solve for x
    x = 94,766,951.71/13,903.03
  6. Step 6: Final answer
    x = 6,816.28

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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.