Home / 12,173.19-18,261.88-3,853.08

Finding the Fourth Proportional to 12,173.19, 18,261.88 and 3,853.08

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Solution

The fourth proportional to 12,173.19, 18,261.88 and 3,853.08 is: 5,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173.19 : 18,261.88 = 3,853.08 : x
  2. Step 2: Convert to fraction form
    12,173.19/18,261.88 = 3,853.08/x
  3. Step 3: Cross multiply
    12,173.19x = 18,261.88 × 3,853.08
  4. Step 4: Simplify right side
    12,173.19x = 70,364,484.59
  5. Step 5: Solve for x
    x = 70,364,484.59/12,173.19
  6. Step 6: Final answer
    x = 5,780.28

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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.