Home / 11,248.58-15,522.36-6,773.78

Finding the Fourth Proportional to 11,248.58, 15,522.36 and 6,773.78

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Solution

The fourth proportional to 11,248.58, 15,522.36 and 6,773.78 is: 9,347.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.58 : 15,522.36 = 6,773.78 : x
  2. Step 2: Convert to fraction form
    11,248.58/15,522.36 = 6,773.78/x
  3. Step 3: Cross multiply
    11,248.58x = 15,522.36 × 6,773.78
  4. Step 4: Simplify right side
    11,248.58x = 105,145,051.72
  5. Step 5: Solve for x
    x = 105,145,051.72/11,248.58
  6. Step 6: Final answer
    x = 9,347.41

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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.