Home / 13,341.05-20,014.44-3,981.81

Finding the Fourth Proportional to 13,341.05, 20,014.44 and 3,981.81

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Solution

The fourth proportional to 13,341.05, 20,014.44 and 3,981.81 is: 5,973.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.05 : 20,014.44 = 3,981.81 : x
  2. Step 2: Convert to fraction form
    13,341.05/20,014.44 = 3,981.81/x
  3. Step 3: Cross multiply
    13,341.05x = 20,014.44 × 3,981.81
  4. Step 4: Simplify right side
    13,341.05x = 79,693,697.34
  5. Step 5: Solve for x
    x = 79,693,697.34/13,341.05
  6. Step 6: Final answer
    x = 5,973.57

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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.