Home / 12,031.62-18,047.97-4,240.50

Finding the Fourth Proportional to 12,031.62, 18,047.97 and 4,240.50

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Solution

The fourth proportional to 12,031.62, 18,047.97 and 4,240.50 is: 6,360.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.62 : 18,047.97 = 4,240.50 : x
  2. Step 2: Convert to fraction form
    12,031.62/18,047.97 = 4,240.50/x
  3. Step 3: Cross multiply
    12,031.62x = 18,047.97 × 4,240.50
  4. Step 4: Simplify right side
    12,031.62x = 76,532,416.79
  5. Step 5: Solve for x
    x = 76,532,416.79/12,031.62
  6. Step 6: Final answer
    x = 6,360.94

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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.