Home / 15,258.36-21,056.73-8,544.57

Finding the Fourth Proportional to 15,258.36, 21,056.73 and 8,544.57

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Solution

The fourth proportional to 15,258.36, 21,056.73 and 8,544.57 is: 11,791.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,258.36 : 21,056.73 = 8,544.57 : x
  2. Step 2: Convert to fraction form
    15,258.36/21,056.73 = 8,544.57/x
  3. Step 3: Cross multiply
    15,258.36x = 21,056.73 × 8,544.57
  4. Step 4: Simplify right side
    15,258.36x = 179,920,703.46
  5. Step 5: Solve for x
    x = 179,920,703.46/15,258.36
  6. Step 6: Final answer
    x = 11,791.61

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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.