Home / 19,559.48-26,990.01-11,493.09

Finding the Fourth Proportional to 19,559.48, 26,990.01 and 11,493.09

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Solution

The fourth proportional to 19,559.48, 26,990.01 and 11,493.09 is: 15,859.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,559.48 : 26,990.01 = 11,493.09 : x
  2. Step 2: Convert to fraction form
    19,559.48/26,990.01 = 11,493.09/x
  3. Step 3: Cross multiply
    19,559.48x = 26,990.01 × 11,493.09
  4. Step 4: Simplify right side
    19,559.48x = 310,198,614.03
  5. Step 5: Solve for x
    x = 310,198,614.03/19,559.48
  6. Step 6: Final answer
    x = 15,859.25

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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.