Home / 19,996.32-29,998.12-10,006.28

Finding the Fourth Proportional to 19,996.32, 29,998.12 and 10,006.28

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Solution

The fourth proportional to 19,996.32, 29,998.12 and 10,006.28 is: 15,011.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.32 : 29,998.12 = 10,006.28 : x
  2. Step 2: Convert to fraction form
    19,996.32/29,998.12 = 10,006.28/x
  3. Step 3: Cross multiply
    19,996.32x = 29,998.12 × 10,006.28
  4. Step 4: Simplify right side
    19,996.32x = 300,169,588.19
  5. Step 5: Solve for x
    x = 300,169,588.19/19,996.32
  6. Step 6: Final answer
    x = 15,011.24

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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.