Home / 8,999.33-12,418.85-5,020.34

Finding the Fourth Proportional to 8,999.33, 12,418.85 and 5,020.34

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Solution

The fourth proportional to 8,999.33, 12,418.85 and 5,020.34 is: 6,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.33 : 12,418.85 = 5,020.34 : x
  2. Step 2: Convert to fraction form
    8,999.33/12,418.85 = 5,020.34/x
  3. Step 3: Cross multiply
    8,999.33x = 12,418.85 × 5,020.34
  4. Step 4: Simplify right side
    8,999.33x = 62,346,799.87
  5. Step 5: Solve for x
    x = 62,346,799.87/8,999.33
  6. Step 6: Final answer
    x = 6,927.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.