Home / 12,031.50-18,044.85-4,240.62

Finding the Fourth Proportional to 12,031.50, 18,044.85 and 4,240.62

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Solution

The fourth proportional to 12,031.50, 18,044.85 and 4,240.62 is: 6,360.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.50 : 18,044.85 = 4,240.62 : x
  2. Step 2: Convert to fraction form
    12,031.50/18,044.85 = 4,240.62/x
  3. Step 3: Cross multiply
    12,031.50x = 18,044.85 × 4,240.62
  4. Step 4: Simplify right side
    12,031.50x = 76,521,351.81
  5. Step 5: Solve for x
    x = 76,521,351.81/12,031.50
  6. Step 6: Final answer
    x = 6,360.08

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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.