Home / 12,036.32-18,054.80-3,271.20

Finding the Fourth Proportional to 12,036.32, 18,054.80 and 3,271.20

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Solution

The fourth proportional to 12,036.32, 18,054.80 and 3,271.20 is: 4,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,036.32 : 18,054.80 = 3,271.20 : x
  2. Step 2: Convert to fraction form
    12,036.32/18,054.80 = 3,271.20/x
  3. Step 3: Cross multiply
    12,036.32x = 18,054.80 × 3,271.20
  4. Step 4: Simplify right side
    12,036.32x = 59,060,861.76
  5. Step 5: Solve for x
    x = 59,060,861.76/12,036.32
  6. Step 6: Final answer
    x = 4,906.89

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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.