Home / 13,239.14-19,853.66-3,877.16

Finding the Fourth Proportional to 13,239.14, 19,853.66 and 3,877.16

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Solution

The fourth proportional to 13,239.14, 19,853.66 and 3,877.16 is: 5,814.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239.14 : 19,853.66 = 3,877.16 : x
  2. Step 2: Convert to fraction form
    13,239.14/19,853.66 = 3,877.16/x
  3. Step 3: Cross multiply
    13,239.14x = 19,853.66 × 3,877.16
  4. Step 4: Simplify right side
    13,239.14x = 76,975,697.75
  5. Step 5: Solve for x
    x = 76,975,697.75/13,239.14
  6. Step 6: Final answer
    x = 5,814.25

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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.