Home / 13,506.06-20,266.65-5,720.70

Finding the Fourth Proportional to 13,506.06, 20,266.65 and 5,720.70

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Solution

The fourth proportional to 13,506.06, 20,266.65 and 5,720.70 is: 8,584.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506.06 : 20,266.65 = 5,720.70 : x
  2. Step 2: Convert to fraction form
    13,506.06/20,266.65 = 5,720.70/x
  3. Step 3: Cross multiply
    13,506.06x = 20,266.65 × 5,720.70
  4. Step 4: Simplify right side
    13,506.06x = 115,939,424.66
  5. Step 5: Solve for x
    x = 115,939,424.66/13,506.06
  6. Step 6: Final answer
    x = 8,584.25

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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.