Home / 13,888.80-20,839.83-6,492.18

Finding the Fourth Proportional to 13,888.80, 20,839.83 and 6,492.18

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Solution

The fourth proportional to 13,888.80, 20,839.83 and 6,492.18 is: 9,741.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888.80 : 20,839.83 = 6,492.18 : x
  2. Step 2: Convert to fraction form
    13,888.80/20,839.83 = 6,492.18/x
  3. Step 3: Cross multiply
    13,888.80x = 20,839.83 × 6,492.18
  4. Step 4: Simplify right side
    13,888.80x = 135,296,017.85
  5. Step 5: Solve for x
    x = 135,296,017.85/13,888.80
  6. Step 6: Final answer
    x = 9,741.38

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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.