Home / 19,995.76-30,012.09-10,141.96

Finding the Fourth Proportional to 19,995.76, 30,012.09 and 10,141.96

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Solution

The fourth proportional to 19,995.76, 30,012.09 and 10,141.96 is: 15,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.76 : 30,012.09 = 10,141.96 : x
  2. Step 2: Convert to fraction form
    19,995.76/30,012.09 = 10,141.96/x
  3. Step 3: Cross multiply
    19,995.76x = 30,012.09 × 10,141.96
  4. Step 4: Simplify right side
    19,995.76x = 304,381,341.27
  5. Step 5: Solve for x
    x = 304,381,341.27/19,995.76
  6. Step 6: Final answer
    x = 15,222.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.