Home / 13,513.23-20,270.93-4,750.11

Finding the Fourth Proportional to 13,513.23, 20,270.93 and 4,750.11

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Solution

The fourth proportional to 13,513.23, 20,270.93 and 4,750.11 is: 7,125.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513.23 : 20,270.93 = 4,750.11 : x
  2. Step 2: Convert to fraction form
    13,513.23/20,270.93 = 4,750.11/x
  3. Step 3: Cross multiply
    13,513.23x = 20,270.93 × 4,750.11
  4. Step 4: Simplify right side
    13,513.23x = 96,289,123.55
  5. Step 5: Solve for x
    x = 96,289,123.55/13,513.23
  6. Step 6: Final answer
    x = 7,125.54

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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.