Home / 13,957.22-19,258.24-8,917.56

Finding the Fourth Proportional to 13,957.22, 19,258.24 and 8,917.56

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Solution

The fourth proportional to 13,957.22, 19,258.24 and 8,917.56 is: 12,304.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.22 : 19,258.24 = 8,917.56 : x
  2. Step 2: Convert to fraction form
    13,957.22/19,258.24 = 8,917.56/x
  3. Step 3: Cross multiply
    13,957.22x = 19,258.24 × 8,917.56
  4. Step 4: Simplify right side
    13,957.22x = 171,736,510.69
  5. Step 5: Solve for x
    x = 171,736,510.69/13,957.22
  6. Step 6: Final answer
    x = 12,304.49

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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.