Home / 11,908.61-17,858.74-4,886.59

Finding the Fourth Proportional to 11,908.61, 17,858.74 and 4,886.59

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Solution

The fourth proportional to 11,908.61, 17,858.74 and 4,886.59 is: 7,328.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.61 : 17,858.74 = 4,886.59 : x
  2. Step 2: Convert to fraction form
    11,908.61/17,858.74 = 4,886.59/x
  3. Step 3: Cross multiply
    11,908.61x = 17,858.74 × 4,886.59
  4. Step 4: Simplify right side
    11,908.61x = 87,268,315.86
  5. Step 5: Solve for x
    x = 87,268,315.86/11,908.61
  6. Step 6: Final answer
    x = 7,328.17

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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.