Home / 13,710.51-20,565.66-3,849.80

Finding the Fourth Proportional to 13,710.51, 20,565.66 and 3,849.80

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Solution

The fourth proportional to 13,710.51, 20,565.66 and 3,849.80 is: 5,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710.51 : 20,565.66 = 3,849.80 : x
  2. Step 2: Convert to fraction form
    13,710.51/20,565.66 = 3,849.80/x
  3. Step 3: Cross multiply
    13,710.51x = 20,565.66 × 3,849.80
  4. Step 4: Simplify right side
    13,710.51x = 79,173,589.48
  5. Step 5: Solve for x
    x = 79,173,589.48/13,710.51
  6. Step 6: Final answer
    x = 5,774.67

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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.