Home / 12,544.09-18,816.12-3,184.15

Finding the Fourth Proportional to 12,544.09, 18,816.12 and 3,184.15

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Solution

The fourth proportional to 12,544.09, 18,816.12 and 3,184.15 is: 4,776.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.09 : 18,816.12 = 3,184.15 : x
  2. Step 2: Convert to fraction form
    12,544.09/18,816.12 = 3,184.15/x
  3. Step 3: Cross multiply
    12,544.09x = 18,816.12 × 3,184.15
  4. Step 4: Simplify right side
    12,544.09x = 59,913,319.23
  5. Step 5: Solve for x
    x = 59,913,319.23/12,544.09
  6. Step 6: Final answer
    x = 4,776.22

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Double scale
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Similar ratio
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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.