Home / 9,898.36-13,654.79-5,918.42

Finding the Fourth Proportional to 9,898.36, 13,654.79 and 5,918.42

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Solution

The fourth proportional to 9,898.36, 13,654.79 and 5,918.42 is: 8,164.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,898.36 : 13,654.79 = 5,918.42 : x
  2. Step 2: Convert to fraction form
    9,898.36/13,654.79 = 5,918.42/x
  3. Step 3: Cross multiply
    9,898.36x = 13,654.79 × 5,918.42
  4. Step 4: Simplify right side
    9,898.36x = 80,814,782.23
  5. Step 5: Solve for x
    x = 80,814,782.23/9,898.36
  6. Step 6: Final answer
    x = 8,164.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.