Home / 11,014.34-15,199.38-5,978.45

Finding the Fourth Proportional to 11,014.34, 15,199.38 and 5,978.45

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Solution

The fourth proportional to 11,014.34, 15,199.38 and 5,978.45 is: 8,250.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,014.34 : 15,199.38 = 5,978.45 : x
  2. Step 2: Convert to fraction form
    11,014.34/15,199.38 = 5,978.45/x
  3. Step 3: Cross multiply
    11,014.34x = 15,199.38 × 5,978.45
  4. Step 4: Simplify right side
    11,014.34x = 90,868,792.73
  5. Step 5: Solve for x
    x = 90,868,792.73/11,014.34
  6. Step 6: Final answer
    x = 8,250.04

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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.