Home / 12,276.54-18,412.38-4,482.72

Finding the Fourth Proportional to 12,276.54, 18,412.38 and 4,482.72

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Solution

The fourth proportional to 12,276.54, 18,412.38 and 4,482.72 is: 6,723.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276.54 : 18,412.38 = 4,482.72 : x
  2. Step 2: Convert to fraction form
    12,276.54/18,412.38 = 4,482.72/x
  3. Step 3: Cross multiply
    12,276.54x = 18,412.38 × 4,482.72
  4. Step 4: Simplify right side
    12,276.54x = 82,537,544.07
  5. Step 5: Solve for x
    x = 82,537,544.07/12,276.54
  6. Step 6: Final answer
    x = 6,723.19

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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.