Home / 13,519.99-20,274.81-6,495.60

Finding the Fourth Proportional to 13,519.99, 20,274.81 and 6,495.60

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Solution

The fourth proportional to 13,519.99, 20,274.81 and 6,495.60 is: 9,740.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,519.99 : 20,274.81 = 6,495.60 : x
  2. Step 2: Convert to fraction form
    13,519.99/20,274.81 = 6,495.60/x
  3. Step 3: Cross multiply
    13,519.99x = 20,274.81 × 6,495.60
  4. Step 4: Simplify right side
    13,519.99x = 131,697,055.84
  5. Step 5: Solve for x
    x = 131,697,055.84/13,519.99
  6. Step 6: Final answer
    x = 9,740.91

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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.