Home / 13,926.23-19,219.58-7,958.76

Finding the Fourth Proportional to 13,926.23, 19,219.58 and 7,958.76

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Solution

The fourth proportional to 13,926.23, 19,219.58 and 7,958.76 is: 10,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.23 : 19,219.58 = 7,958.76 : x
  2. Step 2: Convert to fraction form
    13,926.23/19,219.58 = 7,958.76/x
  3. Step 3: Cross multiply
    13,926.23x = 19,219.58 × 7,958.76
  4. Step 4: Simplify right side
    13,926.23x = 152,963,942.50
  5. Step 5: Solve for x
    x = 152,963,942.50/13,926.23
  6. Step 6: Final answer
    x = 10,983.87

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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.