Home / 11,028.32-15,206.64-8,038.88

Finding the Fourth Proportional to 11,028.32, 15,206.64 and 8,038.88

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Solution

The fourth proportional to 11,028.32, 15,206.64 and 8,038.88 is: 11,084.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.32 : 15,206.64 = 8,038.88 : x
  2. Step 2: Convert to fraction form
    11,028.32/15,206.64 = 8,038.88/x
  3. Step 3: Cross multiply
    11,028.32x = 15,206.64 × 8,038.88
  4. Step 4: Simplify right side
    11,028.32x = 122,244,354.16
  5. Step 5: Solve for x
    x = 122,244,354.16/11,028.32
  6. Step 6: Final answer
    x = 11,084.59

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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.