Home / 26,111.58-39,172.99-8,338.06

Finding the Fourth Proportional to 26,111.58, 39,172.99 and 8,338.06

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Solution

The fourth proportional to 26,111.58, 39,172.99 and 8,338.06 is: 12,508.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,111.58 : 39,172.99 = 8,338.06 : x
  2. Step 2: Convert to fraction form
    26,111.58/39,172.99 = 8,338.06/x
  3. Step 3: Cross multiply
    26,111.58x = 39,172.99 × 8,338.06
  4. Step 4: Simplify right side
    26,111.58x = 326,626,808.21
  5. Step 5: Solve for x
    x = 326,626,808.21/26,111.58
  6. Step 6: Final answer
    x = 12,508.89

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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.