Home / 14,283.54-19,712.97-7,994.70

Finding the Fourth Proportional to 14,283.54, 19,712.97 and 7,994.70

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Solution

The fourth proportional to 14,283.54, 19,712.97 and 7,994.70 is: 11,033.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.54 : 19,712.97 = 7,994.70 : x
  2. Step 2: Convert to fraction form
    14,283.54/19,712.97 = 7,994.70/x
  3. Step 3: Cross multiply
    14,283.54x = 19,712.97 × 7,994.70
  4. Step 4: Simplify right side
    14,283.54x = 157,599,281.26
  5. Step 5: Solve for x
    x = 157,599,281.26/14,283.54
  6. Step 6: Final answer
    x = 11,033.63

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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.