Home / 13,868.54-20,775.42-9,174.35

Finding the Fourth Proportional to 13,868.54, 20,775.42 and 9,174.35

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Solution

The fourth proportional to 13,868.54, 20,775.42 and 9,174.35 is: 13,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868.54 : 20,775.42 = 9,174.35 : x
  2. Step 2: Convert to fraction form
    13,868.54/20,775.42 = 9,174.35/x
  3. Step 3: Cross multiply
    13,868.54x = 20,775.42 × 9,174.35
  4. Step 4: Simplify right side
    13,868.54x = 190,600,870.60
  5. Step 5: Solve for x
    x = 190,600,870.60/13,868.54
  6. Step 6: Final answer
    x = 13,743.40

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1.5x scale

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.