Home / 13,570.99-20,369.64-6,555.94

Finding the Fourth Proportional to 13,570.99, 20,369.64 and 6,555.94

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Solution

The fourth proportional to 13,570.99, 20,369.64 and 6,555.94 is: 9,840.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570.99 : 20,369.64 = 6,555.94 : x
  2. Step 2: Convert to fraction form
    13,570.99/20,369.64 = 6,555.94/x
  3. Step 3: Cross multiply
    13,570.99x = 20,369.64 × 6,555.94
  4. Step 4: Simplify right side
    13,570.99x = 133,542,137.66
  5. Step 5: Solve for x
    x = 133,542,137.66/13,570.99
  6. Step 6: Final answer
    x = 9,840.26

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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.