Home / 11,477.56-15,839.85-6,442.27

Finding the Fourth Proportional to 11,477.56, 15,839.85 and 6,442.27

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Solution

The fourth proportional to 11,477.56, 15,839.85 and 6,442.27 is: 8,890.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477.56 : 15,839.85 = 6,442.27 : x
  2. Step 2: Convert to fraction form
    11,477.56/15,839.85 = 6,442.27/x
  3. Step 3: Cross multiply
    11,477.56x = 15,839.85 × 6,442.27
  4. Step 4: Simplify right side
    11,477.56x = 102,044,590.46
  5. Step 5: Solve for x
    x = 102,044,590.46/11,477.56
  6. Step 6: Final answer
    x = 8,890.79

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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.