Home / 12,031.44-18,048.65-4,135.56

Finding the Fourth Proportional to 12,031.44, 18,048.65 and 4,135.56

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Solution

The fourth proportional to 12,031.44, 18,048.65 and 4,135.56 is: 6,203.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.44 : 18,048.65 = 4,135.56 : x
  2. Step 2: Convert to fraction form
    12,031.44/18,048.65 = 4,135.56/x
  3. Step 3: Cross multiply
    12,031.44x = 18,048.65 × 4,135.56
  4. Step 4: Simplify right side
    12,031.44x = 74,641,254.32
  5. Step 5: Solve for x
    x = 74,641,254.32/12,031.44
  6. Step 6: Final answer
    x = 6,203.85

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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.