Home / 19,419.03-26,807.09-12,704.94

Finding the Fourth Proportional to 19,419.03, 26,807.09 and 12,704.94

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Solution

The fourth proportional to 19,419.03, 26,807.09 and 12,704.94 is: 17,538.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.03 : 26,807.09 = 12,704.94 : x
  2. Step 2: Convert to fraction form
    19,419.03/26,807.09 = 12,704.94/x
  3. Step 3: Cross multiply
    19,419.03x = 26,807.09 × 12,704.94
  4. Step 4: Simplify right side
    19,419.03x = 340,582,406.50
  5. Step 5: Solve for x
    x = 340,582,406.50/19,419.03
  6. Step 6: Final answer
    x = 17,538.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.