Home / 13,926.46-19,219.82-7,956.97

Finding the Fourth Proportional to 13,926.46, 19,219.82 and 7,956.97

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Solution

The fourth proportional to 13,926.46, 19,219.82 and 7,956.97 is: 10,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.46 : 19,219.82 = 7,956.97 : x
  2. Step 2: Convert to fraction form
    13,926.46/19,219.82 = 7,956.97/x
  3. Step 3: Cross multiply
    13,926.46x = 19,219.82 × 7,956.97
  4. Step 4: Simplify right side
    13,926.46x = 152,931,510.45
  5. Step 5: Solve for x
    x = 152,931,510.45/13,926.46
  6. Step 6: Final answer
    x = 10,981.37

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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.