Home / 19,999.33-30,017.28-10,145.41

Finding the Fourth Proportional to 19,999.33, 30,017.28 and 10,145.41

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Solution

The fourth proportional to 19,999.33, 30,017.28 and 10,145.41 is: 15,227.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,999.33 : 30,017.28 = 10,145.41 : x
  2. Step 2: Convert to fraction form
    19,999.33/30,017.28 = 10,145.41/x
  3. Step 3: Cross multiply
    19,999.33x = 30,017.28 × 10,145.41
  4. Step 4: Simplify right side
    19,999.33x = 304,537,612.68
  5. Step 5: Solve for x
    x = 304,537,612.68/19,999.33
  6. Step 6: Final answer
    x = 15,227.39

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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.