Home / 13,868.03-20,774.67-9,173.84

Finding the Fourth Proportional to 13,868.03, 20,774.67 and 9,173.84

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Solution

The fourth proportional to 13,868.03, 20,774.67 and 9,173.84 is: 13,742.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868.03 : 20,774.67 = 9,173.84 : x
  2. Step 2: Convert to fraction form
    13,868.03/20,774.67 = 9,173.84/x
  3. Step 3: Cross multiply
    13,868.03x = 20,774.67 × 9,173.84
  4. Step 4: Simplify right side
    13,868.03x = 190,583,498.63
  5. Step 5: Solve for x
    x = 190,583,498.63/13,868.03
  6. Step 6: Final answer
    x = 13,742.65

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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.