Home / 17,386.08-26,083.92-6,858.72

Finding the Fourth Proportional to 17,386.08, 26,083.92 and 6,858.72

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Solution

The fourth proportional to 17,386.08, 26,083.92 and 6,858.72 is: 10,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,386.08 : 26,083.92 = 6,858.72 : x
  2. Step 2: Convert to fraction form
    17,386.08/26,083.92 = 6,858.72/x
  3. Step 3: Cross multiply
    17,386.08x = 26,083.92 × 6,858.72
  4. Step 4: Simplify right side
    17,386.08x = 178,902,303.78
  5. Step 5: Solve for x
    x = 178,902,303.78/17,386.08
  6. Step 6: Final answer
    x = 10,289.97

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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.