Home / 13,378.53-20,056.83-5,053.81

Finding the Fourth Proportional to 13,378.53, 20,056.83 and 5,053.81

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Solution

The fourth proportional to 13,378.53, 20,056.83 and 5,053.81 is: 7,576.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,378.53 : 20,056.83 = 5,053.81 : x
  2. Step 2: Convert to fraction form
    13,378.53/20,056.83 = 5,053.81/x
  3. Step 3: Cross multiply
    13,378.53x = 20,056.83 × 5,053.81
  4. Step 4: Simplify right side
    13,378.53x = 101,363,408.02
  5. Step 5: Solve for x
    x = 101,363,408.02/13,378.53
  6. Step 6: Final answer
    x = 7,576.57

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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.