Home / 11,120.64-15,347.73-6,404.82

Finding the Fourth Proportional to 11,120.64, 15,347.73 and 6,404.82

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Solution

The fourth proportional to 11,120.64, 15,347.73 and 6,404.82 is: 8,839.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.64 : 15,347.73 = 6,404.82 : x
  2. Step 2: Convert to fraction form
    11,120.64/15,347.73 = 6,404.82/x
  3. Step 3: Cross multiply
    11,120.64x = 15,347.73 × 6,404.82
  4. Step 4: Simplify right side
    11,120.64x = 98,299,448.06
  5. Step 5: Solve for x
    x = 98,299,448.06/11,120.64
  6. Step 6: Final answer
    x = 8,839.37

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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.