Home / 18,815.33-28,225.73-10,045.46

Finding the Fourth Proportional to 18,815.33, 28,225.73 and 10,045.46

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Solution

The fourth proportional to 18,815.33, 28,225.73 and 10,045.46 is: 15,069.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,815.33 : 28,225.73 = 10,045.46 : x
  2. Step 2: Convert to fraction form
    18,815.33/28,225.73 = 10,045.46/x
  3. Step 3: Cross multiply
    18,815.33x = 28,225.73 × 10,045.46
  4. Step 4: Simplify right side
    18,815.33x = 283,540,537.36
  5. Step 5: Solve for x
    x = 283,540,537.36/18,815.33
  6. Step 6: Final answer
    x = 15,069.65

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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.