Home / 14,423.82-19,904.88-7,963.46

Finding the Fourth Proportional to 14,423.82, 19,904.88 and 7,963.46

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Solution

The fourth proportional to 14,423.82, 19,904.88 and 7,963.46 is: 10,989.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.82 : 19,904.88 = 7,963.46 : x
  2. Step 2: Convert to fraction form
    14,423.82/19,904.88 = 7,963.46/x
  3. Step 3: Cross multiply
    14,423.82x = 19,904.88 × 7,963.46
  4. Step 4: Simplify right side
    14,423.82x = 158,511,715.68
  5. Step 5: Solve for x
    x = 158,511,715.68/14,423.82
  6. Step 6: Final answer
    x = 10,989.58

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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.