Home / 13,925.70-19,218.15-8,885.88

Finding the Fourth Proportional to 13,925.70, 19,218.15 and 8,885.88

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Solution

The fourth proportional to 13,925.70, 19,218.15 and 8,885.88 is: 12,262.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.70 : 19,218.15 = 8,885.88 : x
  2. Step 2: Convert to fraction form
    13,925.70/19,218.15 = 8,885.88/x
  3. Step 3: Cross multiply
    13,925.70x = 19,218.15 × 8,885.88
  4. Step 4: Simplify right side
    13,925.70x = 170,770,174.72
  5. Step 5: Solve for x
    x = 170,770,174.72/13,925.70
  6. Step 6: Final answer
    x = 12,262.95

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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.