Home / 15,258.60-21,057.36-8,544.48

Finding the Fourth Proportional to 15,258.60, 21,057.36 and 8,544.48

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Solution

The fourth proportional to 15,258.60, 21,057.36 and 8,544.48 is: 11,791.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,258.60 : 21,057.36 = 8,544.48 : x
  2. Step 2: Convert to fraction form
    15,258.60/21,057.36 = 8,544.48/x
  3. Step 3: Cross multiply
    15,258.60x = 21,057.36 × 8,544.48
  4. Step 4: Simplify right side
    15,258.60x = 179,924,191.37
  5. Step 5: Solve for x
    x = 179,924,191.37/15,258.60
  6. Step 6: Final answer
    x = 11,791.66

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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.