Home / 12,034.64-18,054.36-4,242.44

Finding the Fourth Proportional to 12,034.64, 18,054.36 and 4,242.44

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Solution

The fourth proportional to 12,034.64, 18,054.36 and 4,242.44 is: 6,364.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,034.64 : 18,054.36 = 4,242.44 : x
  2. Step 2: Convert to fraction form
    12,034.64/18,054.36 = 4,242.44/x
  3. Step 3: Cross multiply
    12,034.64x = 18,054.36 × 4,242.44
  4. Step 4: Simplify right side
    12,034.64x = 76,594,539.04
  5. Step 5: Solve for x
    x = 76,594,539.04/12,034.64
  6. Step 6: Final answer
    x = 6,364.51

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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.