Home / 13,968.18-19,277.16-8,001.72

Finding the Fourth Proportional to 13,968.18, 19,277.16 and 8,001.72

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Solution

The fourth proportional to 13,968.18, 19,277.16 and 8,001.72 is: 11,042.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.18 : 19,277.16 = 8,001.72 : x
  2. Step 2: Convert to fraction form
    13,968.18/19,277.16 = 8,001.72/x
  3. Step 3: Cross multiply
    13,968.18x = 19,277.16 × 8,001.72
  4. Step 4: Simplify right side
    13,968.18x = 154,250,436.72
  5. Step 5: Solve for x
    x = 154,250,436.72/13,968.18
  6. Step 6: Final answer
    x = 11,042.99

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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.