Home / 11,297.72-15,590.88-6,261.98

Finding the Fourth Proportional to 11,297.72, 15,590.88 and 6,261.98

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Solution

The fourth proportional to 11,297.72, 15,590.88 and 6,261.98 is: 8,641.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.72 : 15,590.88 = 6,261.98 : x
  2. Step 2: Convert to fraction form
    11,297.72/15,590.88 = 6,261.98/x
  3. Step 3: Cross multiply
    11,297.72x = 15,590.88 × 6,261.98
  4. Step 4: Simplify right side
    11,297.72x = 97,629,778.74
  5. Step 5: Solve for x
    x = 97,629,778.74/11,297.72
  6. Step 6: Final answer
    x = 8,641.55

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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.