Home / 18,031.89-27,038.88-6,182.33

Finding the Fourth Proportional to 18,031.89, 27,038.88 and 6,182.33

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Solution

The fourth proportional to 18,031.89, 27,038.88 and 6,182.33 is: 9,270.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,031.89 : 27,038.88 = 6,182.33 : x
  2. Step 2: Convert to fraction form
    18,031.89/27,038.88 = 6,182.33/x
  3. Step 3: Cross multiply
    18,031.89x = 27,038.88 × 6,182.33
  4. Step 4: Simplify right side
    18,031.89x = 167,163,143.80
  5. Step 5: Solve for x
    x = 167,163,143.80/18,031.89
  6. Step 6: Final answer
    x = 9,270.42

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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.