Home / 13,897.18-20,845.83-3,508.93

Finding the Fourth Proportional to 13,897.18, 20,845.83 and 3,508.93

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Solution

The fourth proportional to 13,897.18, 20,845.83 and 3,508.93 is: 5,263.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.18 : 20,845.83 = 3,508.93 : x
  2. Step 2: Convert to fraction form
    13,897.18/20,845.83 = 3,508.93/x
  3. Step 3: Cross multiply
    13,897.18x = 20,845.83 × 3,508.93
  4. Step 4: Simplify right side
    13,897.18x = 73,146,558.26
  5. Step 5: Solve for x
    x = 73,146,558.26/13,897.18
  6. Step 6: Final answer
    x = 5,263.41

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1.5x scale

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.