Home / 13,719.85-20,590.01-9,266.98

Finding the Fourth Proportional to 13,719.85, 20,590.01 and 9,266.98

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Solution

The fourth proportional to 13,719.85, 20,590.01 and 9,266.98 is: 13,907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,719.85 : 20,590.01 = 9,266.98 : x
  2. Step 2: Convert to fraction form
    13,719.85/20,590.01 = 9,266.98/x
  3. Step 3: Cross multiply
    13,719.85x = 20,590.01 × 9,266.98
  4. Step 4: Simplify right side
    13,719.85x = 190,807,164.53
  5. Step 5: Solve for x
    x = 190,807,164.53/13,719.85
  6. Step 6: Final answer
    x = 13,907.38

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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.