Home / 18,017.36-27,030.20-6,330.64

Finding the Fourth Proportional to 18,017.36, 27,030.20 and 6,330.64

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Solution

The fourth proportional to 18,017.36, 27,030.20 and 6,330.64 is: 9,497.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.36 : 27,030.20 = 6,330.64 : x
  2. Step 2: Convert to fraction form
    18,017.36/27,030.20 = 6,330.64/x
  3. Step 3: Cross multiply
    18,017.36x = 27,030.20 × 6,330.64
  4. Step 4: Simplify right side
    18,017.36x = 171,118,465.33
  5. Step 5: Solve for x
    x = 171,118,465.33/18,017.36
  6. Step 6: Final answer
    x = 9,497.42

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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.