Home / 12,031.06-18,044.87-4,133.45

Finding the Fourth Proportional to 12,031.06, 18,044.87 and 4,133.45

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Solution

The fourth proportional to 12,031.06, 18,044.87 and 4,133.45 is: 6,199.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.06 : 18,044.87 = 4,133.45 : x
  2. Step 2: Convert to fraction form
    12,031.06/18,044.87 = 4,133.45/x
  3. Step 3: Cross multiply
    12,031.06x = 18,044.87 × 4,133.45
  4. Step 4: Simplify right side
    12,031.06x = 74,587,567.90
  5. Step 5: Solve for x
    x = 74,587,567.90/12,031.06
  6. Step 6: Final answer
    x = 6,199.58

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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.