Home / 19,149.36-26,421.83-11,081.76

Finding the Fourth Proportional to 19,149.36, 26,421.83 and 11,081.76

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Solution

The fourth proportional to 19,149.36, 26,421.83 and 11,081.76 is: 15,290.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149.36 : 26,421.83 = 11,081.76 : x
  2. Step 2: Convert to fraction form
    19,149.36/26,421.83 = 11,081.76/x
  3. Step 3: Cross multiply
    19,149.36x = 26,421.83 × 11,081.76
  4. Step 4: Simplify right side
    19,149.36x = 292,800,323.41
  5. Step 5: Solve for x
    x = 292,800,323.41/19,149.36
  6. Step 6: Final answer
    x = 15,290.35

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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.