Home / 17,577.75-26,370.27-7,189.50

Finding the Fourth Proportional to 17,577.75, 26,370.27 and 7,189.50

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Solution

The fourth proportional to 17,577.75, 26,370.27 and 7,189.50 is: 10,785.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,577.75 : 26,370.27 = 7,189.50 : x
  2. Step 2: Convert to fraction form
    17,577.75/26,370.27 = 7,189.50/x
  3. Step 3: Cross multiply
    17,577.75x = 26,370.27 × 7,189.50
  4. Step 4: Simplify right side
    17,577.75x = 189,589,056.17
  5. Step 5: Solve for x
    x = 189,589,056.17/17,577.75
  6. Step 6: Final answer
    x = 10,785.74

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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.