Home / 13,126.03-19,642.80-8,197.99

Finding the Fourth Proportional to 13,126.03, 19,642.80 and 8,197.99

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Solution

The fourth proportional to 13,126.03, 19,642.80 and 8,197.99 is: 12,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.03 : 19,642.80 = 8,197.99 : x
  2. Step 2: Convert to fraction form
    13,126.03/19,642.80 = 8,197.99/x
  3. Step 3: Cross multiply
    13,126.03x = 19,642.80 × 8,197.99
  4. Step 4: Simplify right side
    13,126.03x = 161,031,477.97
  5. Step 5: Solve for x
    x = 161,031,477.97/13,126.03
  6. Step 6: Final answer
    x = 12,268.10

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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.