Home / 15,258.95-21,057.86-8,544.86

Finding the Fourth Proportional to 15,258.95, 21,057.86 and 8,544.86

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Solution

The fourth proportional to 15,258.95, 21,057.86 and 8,544.86 is: 11,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,258.95 : 21,057.86 = 8,544.86 : x
  2. Step 2: Convert to fraction form
    15,258.95/21,057.86 = 8,544.86/x
  3. Step 3: Cross multiply
    15,258.95x = 21,057.86 × 8,544.86
  4. Step 4: Simplify right side
    15,258.95x = 179,936,465.60
  5. Step 5: Solve for x
    x = 179,936,465.60/15,258.95
  6. Step 6: Final answer
    x = 11,792.19

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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.