Home / 15,739.90-23,609.62-6,379.84

Finding the Fourth Proportional to 15,739.90, 23,609.62 and 6,379.84

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Solution

The fourth proportional to 15,739.90, 23,609.62 and 6,379.84 is: 9,569.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739.90 : 23,609.62 = 6,379.84 : x
  2. Step 2: Convert to fraction form
    15,739.90/23,609.62 = 6,379.84/x
  3. Step 3: Cross multiply
    15,739.90x = 23,609.62 × 6,379.84
  4. Step 4: Simplify right side
    15,739.90x = 150,625,598.06
  5. Step 5: Solve for x
    x = 150,625,598.06/15,739.90
  6. Step 6: Final answer
    x = 9,569.67

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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.