Home / 13,942.06-19,225.29-9,961.72

Finding the Fourth Proportional to 13,942.06, 19,225.29 and 9,961.72

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Solution

The fourth proportional to 13,942.06, 19,225.29 and 9,961.72 is: 13,736.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.06 : 19,225.29 = 9,961.72 : x
  2. Step 2: Convert to fraction form
    13,942.06/19,225.29 = 9,961.72/x
  3. Step 3: Cross multiply
    13,942.06x = 19,225.29 × 9,961.72
  4. Step 4: Simplify right side
    13,942.06x = 191,516,955.90
  5. Step 5: Solve for x
    x = 191,516,955.90/13,942.06
  6. Step 6: Final answer
    x = 13,736.63

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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.