Home / 19,995.82-30,012.02-10,141.90

Finding the Fourth Proportional to 19,995.82, 30,012.02 and 10,141.90

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Solution

The fourth proportional to 19,995.82, 30,012.02 and 10,141.90 is: 15,222.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.82 : 30,012.02 = 10,141.90 : x
  2. Step 2: Convert to fraction form
    19,995.82/30,012.02 = 10,141.90/x
  3. Step 3: Cross multiply
    19,995.82x = 30,012.02 × 10,141.90
  4. Step 4: Simplify right side
    19,995.82x = 304,378,905.64
  5. Step 5: Solve for x
    x = 304,378,905.64/19,995.82
  6. Step 6: Final answer
    x = 15,222.13

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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.