Home / 17,398.47-26,057.09-12,706.85

Finding the Fourth Proportional to 17,398.47, 26,057.09 and 12,706.85

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Solution

The fourth proportional to 17,398.47, 26,057.09 and 12,706.85 is: 19,030.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,398.47 : 26,057.09 = 12,706.85 : x
  2. Step 2: Convert to fraction form
    17,398.47/26,057.09 = 12,706.85/x
  3. Step 3: Cross multiply
    17,398.47x = 26,057.09 × 12,706.85
  4. Step 4: Simplify right side
    17,398.47x = 331,103,534.07
  5. Step 5: Solve for x
    x = 331,103,534.07/17,398.47
  6. Step 6: Final answer
    x = 19,030.61

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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.