Home / 17,670.96-26,506.21-5,190.54

Finding the Fourth Proportional to 17,670.96, 26,506.21 and 5,190.54

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Solution

The fourth proportional to 17,670.96, 26,506.21 and 5,190.54 is: 7,785.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,670.96 : 26,506.21 = 5,190.54 : x
  2. Step 2: Convert to fraction form
    17,670.96/26,506.21 = 5,190.54/x
  3. Step 3: Cross multiply
    17,670.96x = 26,506.21 × 5,190.54
  4. Step 4: Simplify right side
    17,670.96x = 137,581,543.25
  5. Step 5: Solve for x
    x = 137,581,543.25/17,670.96
  6. Step 6: Final answer
    x = 7,785.74

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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.