Home / 11,297.37-15,590.76-6,820.24

Finding the Fourth Proportional to 11,297.37, 15,590.76 and 6,820.24

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Solution

The fourth proportional to 11,297.37, 15,590.76 and 6,820.24 is: 9,412.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.37 : 15,590.76 = 6,820.24 : x
  2. Step 2: Convert to fraction form
    11,297.37/15,590.76 = 6,820.24/x
  3. Step 3: Cross multiply
    11,297.37x = 15,590.76 × 6,820.24
  4. Step 4: Simplify right side
    11,297.37x = 106,332,724.98
  5. Step 5: Solve for x
    x = 106,332,724.98/11,297.37
  6. Step 6: Final answer
    x = 9,412.17

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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.