Home / 14,571.84-20,111.72-8,603.12

Finding the Fourth Proportional to 14,571.84, 20,111.72 and 8,603.12

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Solution

The fourth proportional to 14,571.84, 20,111.72 and 8,603.12 is: 11,873.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571.84 : 20,111.72 = 8,603.12 : x
  2. Step 2: Convert to fraction form
    14,571.84/20,111.72 = 8,603.12/x
  3. Step 3: Cross multiply
    14,571.84x = 20,111.72 × 8,603.12
  4. Step 4: Simplify right side
    14,571.84x = 173,023,540.57
  5. Step 5: Solve for x
    x = 173,023,540.57/14,571.84
  6. Step 6: Final answer
    x = 11,873.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.