Home / 13,916.37-20,852.66-10,761.53

Finding the Fourth Proportional to 13,916.37, 20,852.66 and 10,761.53

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Solution

The fourth proportional to 13,916.37, 20,852.66 and 10,761.53 is: 16,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.37 : 20,852.66 = 10,761.53 : x
  2. Step 2: Convert to fraction form
    13,916.37/20,852.66 = 10,761.53/x
  3. Step 3: Cross multiply
    13,916.37x = 20,852.66 × 10,761.53
  4. Step 4: Simplify right side
    13,916.37x = 224,406,408.45
  5. Step 5: Solve for x
    x = 224,406,408.45/13,916.37
  6. Step 6: Final answer
    x = 16,125.35

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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.