Home / 13,009.28-19,519.97-4,126.01

Finding the Fourth Proportional to 13,009.28, 19,519.97 and 4,126.01

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Solution

The fourth proportional to 13,009.28, 19,519.97 and 4,126.01 is: 6,190.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.28 : 19,519.97 = 4,126.01 : x
  2. Step 2: Convert to fraction form
    13,009.28/19,519.97 = 4,126.01/x
  3. Step 3: Cross multiply
    13,009.28x = 19,519.97 × 4,126.01
  4. Step 4: Simplify right side
    13,009.28x = 80,539,473.19
  5. Step 5: Solve for x
    x = 80,539,473.19/13,009.28
  6. Step 6: Final answer
    x = 6,190.93

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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.