Home / 17,895.40-26,810.70-10,961.80

Finding the Fourth Proportional to 17,895.40, 26,810.70 and 10,961.80

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Solution

The fourth proportional to 17,895.40, 26,810.70 and 10,961.80 is: 16,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,895.40 : 26,810.70 = 10,961.80 : x
  2. Step 2: Convert to fraction form
    17,895.40/26,810.70 = 10,961.80/x
  3. Step 3: Cross multiply
    17,895.40x = 26,810.70 × 10,961.80
  4. Step 4: Simplify right side
    17,895.40x = 293,893,531.26
  5. Step 5: Solve for x
    x = 293,893,531.26/17,895.40
  6. Step 6: Final answer
    x = 16,422.85

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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.