Home / 26,139.03-39,186.50-11,336.80

Finding the Fourth Proportional to 26,139.03, 39,186.50 and 11,336.80

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Solution

The fourth proportional to 26,139.03, 39,186.50 and 11,336.80 is: 16,995.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,139.03 : 39,186.50 = 11,336.80 : x
  2. Step 2: Convert to fraction form
    26,139.03/39,186.50 = 11,336.80/x
  3. Step 3: Cross multiply
    26,139.03x = 39,186.50 × 11,336.80
  4. Step 4: Simplify right side
    26,139.03x = 444,249,495.79
  5. Step 5: Solve for x
    x = 444,249,495.79/26,139.03
  6. Step 6: Final answer
    x = 16,995.64

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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.