Home / 17,911.08-26,825.70-8,557.68

Finding the Fourth Proportional to 17,911.08, 26,825.70 and 8,557.68

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Solution

The fourth proportional to 17,911.08, 26,825.70 and 8,557.68 is: 12,816.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911.08 : 26,825.70 = 8,557.68 : x
  2. Step 2: Convert to fraction form
    17,911.08/26,825.70 = 8,557.68/x
  3. Step 3: Cross multiply
    17,911.08x = 26,825.70 × 8,557.68
  4. Step 4: Simplify right side
    17,911.08x = 229,565,756.38
  5. Step 5: Solve for x
    x = 229,565,756.38/17,911.08
  6. Step 6: Final answer
    x = 12,816.97

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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.