Home / 11,282.74-15,558.67-9,365.47

Finding the Fourth Proportional to 11,282.74, 15,558.67 and 9,365.47

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Solution

The fourth proportional to 11,282.74, 15,558.67 and 9,365.47 is: 12,914.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.74 : 15,558.67 = 9,365.47 : x
  2. Step 2: Convert to fraction form
    11,282.74/15,558.67 = 9,365.47/x
  3. Step 3: Cross multiply
    11,282.74x = 15,558.67 × 9,365.47
  4. Step 4: Simplify right side
    11,282.74x = 145,714,257.12
  5. Step 5: Solve for x
    x = 145,714,257.12/11,282.74
  6. Step 6: Final answer
    x = 12,914.79

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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.