Home / 13,740.62-20,598.77-6,621.26

Finding the Fourth Proportional to 13,740.62, 20,598.77 and 6,621.26

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Solution

The fourth proportional to 13,740.62, 20,598.77 and 6,621.26 is: 9,926.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740.62 : 20,598.77 = 6,621.26 : x
  2. Step 2: Convert to fraction form
    13,740.62/20,598.77 = 6,621.26/x
  3. Step 3: Cross multiply
    13,740.62x = 20,598.77 × 6,621.26
  4. Step 4: Simplify right side
    13,740.62x = 136,389,811.85
  5. Step 5: Solve for x
    x = 136,389,811.85/13,740.62
  6. Step 6: Final answer
    x = 9,926.03

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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.