Home / 11,579.89-15,980.88-6,544.33

Finding the Fourth Proportional to 11,579.89, 15,980.88 and 6,544.33

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Solution

The fourth proportional to 11,579.89, 15,980.88 and 6,544.33 is: 9,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.89 : 15,980.88 = 6,544.33 : x
  2. Step 2: Convert to fraction form
    11,579.89/15,980.88 = 6,544.33/x
  3. Step 3: Cross multiply
    11,579.89x = 15,980.88 × 6,544.33
  4. Step 4: Simplify right side
    11,579.89x = 104,584,152.41
  5. Step 5: Solve for x
    x = 104,584,152.41/11,579.89
  6. Step 6: Final answer
    x = 9,031.53

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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.