Home / 13,421.87-20,133.00-4,061.98

Finding the Fourth Proportional to 13,421.87, 20,133.00 and 4,061.98

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Solution

The fourth proportional to 13,421.87, 20,133.00 and 4,061.98 is: 6,093.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,421.87 : 20,133.00 = 4,061.98 : x
  2. Step 2: Convert to fraction form
    13,421.87/20,133.00 = 4,061.98/x
  3. Step 3: Cross multiply
    13,421.87x = 20,133.00 × 4,061.98
  4. Step 4: Simplify right side
    13,421.87x = 81,779,722.37
  5. Step 5: Solve for x
    x = 81,779,722.37/13,421.87
  6. Step 6: Final answer
    x = 6,093.02

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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.