Home / 15,258.54-21,054.42-8,544.45

Finding the Fourth Proportional to 15,258.54, 21,054.42 and 8,544.45

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Solution

The fourth proportional to 15,258.54, 21,054.42 and 8,544.45 is: 11,790.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,258.54 : 21,054.42 = 8,544.45 : x
  2. Step 2: Convert to fraction form
    15,258.54/21,054.42 = 8,544.45/x
  3. Step 3: Cross multiply
    15,258.54x = 21,054.42 × 8,544.45
  4. Step 4: Simplify right side
    15,258.54x = 179,898,438.97
  5. Step 5: Solve for x
    x = 179,898,438.97/15,258.54
  6. Step 6: Final answer
    x = 11,790.02

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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.