Home / 14,271.39-19,694.54-7,983.77

Finding the Fourth Proportional to 14,271.39, 19,694.54 and 7,983.77

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Solution

The fourth proportional to 14,271.39, 19,694.54 and 7,983.77 is: 11,017.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.39 : 19,694.54 = 7,983.77 : x
  2. Step 2: Convert to fraction form
    14,271.39/19,694.54 = 7,983.77/x
  3. Step 3: Cross multiply
    14,271.39x = 19,694.54 × 7,983.77
  4. Step 4: Simplify right side
    14,271.39x = 157,236,599.10
  5. Step 5: Solve for x
    x = 157,236,599.10/14,271.39
  6. Step 6: Final answer
    x = 11,017.61

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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.