Home / 12,031.55-18,050.28-4,134.18

Finding the Fourth Proportional to 12,031.55, 18,050.28 and 4,134.18

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Solution

The fourth proportional to 12,031.55, 18,050.28 and 4,134.18 is: 6,202.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.55 : 18,050.28 = 4,134.18 : x
  2. Step 2: Convert to fraction form
    12,031.55/18,050.28 = 4,134.18/x
  3. Step 3: Cross multiply
    12,031.55x = 18,050.28 × 4,134.18
  4. Step 4: Simplify right side
    12,031.55x = 74,623,106.57
  5. Step 5: Solve for x
    x = 74,623,106.57/12,031.55
  6. Step 6: Final answer
    x = 6,202.29

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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.