Home / 12,406.07-18,611.99-4,086.17

Finding the Fourth Proportional to 12,406.07, 18,611.99 and 4,086.17

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Solution

The fourth proportional to 12,406.07, 18,611.99 and 4,086.17 is: 6,130.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,406.07 : 18,611.99 = 4,086.17 : x
  2. Step 2: Convert to fraction form
    12,406.07/18,611.99 = 4,086.17/x
  3. Step 3: Cross multiply
    12,406.07x = 18,611.99 × 4,086.17
  4. Step 4: Simplify right side
    12,406.07x = 76,051,641.69
  5. Step 5: Solve for x
    x = 76,051,641.69/12,406.07
  6. Step 6: Final answer
    x = 6,130.20

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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.