Home / 17,328.96-26,006.81-12,896.64

Finding the Fourth Proportional to 17,328.96, 26,006.81 and 12,896.64

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Solution

The fourth proportional to 17,328.96, 26,006.81 and 12,896.64 is: 19,354.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,328.96 : 26,006.81 = 12,896.64 : x
  2. Step 2: Convert to fraction form
    17,328.96/26,006.81 = 12,896.64/x
  3. Step 3: Cross multiply
    17,328.96x = 26,006.81 × 12,896.64
  4. Step 4: Simplify right side
    17,328.96x = 335,400,401.64
  5. Step 5: Solve for x
    x = 335,400,401.64/17,328.96
  6. Step 6: Final answer
    x = 19,354.91

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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.