Home / 13,736.19-18,950.58-8,961.75

Finding the Fourth Proportional to 13,736.19, 18,950.58 and 8,961.75

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Solution

The fourth proportional to 13,736.19, 18,950.58 and 8,961.75 is: 12,363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.19 : 18,950.58 = 8,961.75 : x
  2. Step 2: Convert to fraction form
    13,736.19/18,950.58 = 8,961.75/x
  3. Step 3: Cross multiply
    13,736.19x = 18,950.58 × 8,961.75
  4. Step 4: Simplify right side
    13,736.19x = 169,830,360.32
  5. Step 5: Solve for x
    x = 169,830,360.32/13,736.19
  6. Step 6: Final answer
    x = 12,363.72

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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.