Home / 13,903.44-20,858.40-4,543.89

Finding the Fourth Proportional to 13,903.44, 20,858.40 and 4,543.89

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Solution

The fourth proportional to 13,903.44, 20,858.40 and 4,543.89 is: 6,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.44 : 20,858.40 = 4,543.89 : x
  2. Step 2: Convert to fraction form
    13,903.44/20,858.40 = 4,543.89/x
  3. Step 3: Cross multiply
    13,903.44x = 20,858.40 × 4,543.89
  4. Step 4: Simplify right side
    13,903.44x = 94,778,275.18
  5. Step 5: Solve for x
    x = 94,778,275.18/13,903.44
  6. Step 6: Final answer
    x = 6,816.89

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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.