Home / 13,686.03-20,526.46-5,785.96

Finding the Fourth Proportional to 13,686.03, 20,526.46 and 5,785.96

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Solution

The fourth proportional to 13,686.03, 20,526.46 and 5,785.96 is: 8,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,686.03 : 20,526.46 = 5,785.96 : x
  2. Step 2: Convert to fraction form
    13,686.03/20,526.46 = 5,785.96/x
  3. Step 3: Cross multiply
    13,686.03x = 20,526.46 × 5,785.96
  4. Step 4: Simplify right side
    13,686.03x = 118,765,276.50
  5. Step 5: Solve for x
    x = 118,765,276.50/13,686.03
  6. Step 6: Final answer
    x = 8,677.85

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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.