Home / 19,083.74-28,588.70-10,738.40

Finding the Fourth Proportional to 19,083.74, 28,588.70 and 10,738.40

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Solution

The fourth proportional to 19,083.74, 28,588.70 and 10,738.40 is: 16,086.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,083.74 : 28,588.70 = 10,738.40 : x
  2. Step 2: Convert to fraction form
    19,083.74/28,588.70 = 10,738.40/x
  3. Step 3: Cross multiply
    19,083.74x = 28,588.70 × 10,738.40
  4. Step 4: Simplify right side
    19,083.74x = 306,996,779.98
  5. Step 5: Solve for x
    x = 306,996,779.98/19,083.74
  6. Step 6: Final answer
    x = 16,086.83

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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.