Home / 12,031.26-18,054.18-4,640.82

Finding the Fourth Proportional to 12,031.26, 18,054.18 and 4,640.82

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Solution

The fourth proportional to 12,031.26, 18,054.18 and 4,640.82 is: 6,964.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.26 : 18,054.18 = 4,640.82 : x
  2. Step 2: Convert to fraction form
    12,031.26/18,054.18 = 4,640.82/x
  3. Step 3: Cross multiply
    12,031.26x = 18,054.18 × 4,640.82
  4. Step 4: Simplify right side
    12,031.26x = 83,786,199.63
  5. Step 5: Solve for x
    x = 83,786,199.63/12,031.26
  6. Step 6: Final answer
    x = 6,964.04

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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.