Home / 20,994.79-31,496.62-6,954.02

Finding the Fourth Proportional to 20,994.79, 31,496.62 and 6,954.02

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Solution

The fourth proportional to 20,994.79, 31,496.62 and 6,954.02 is: 10,432.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,994.79 : 31,496.62 = 6,954.02 : x
  2. Step 2: Convert to fraction form
    20,994.79/31,496.62 = 6,954.02/x
  3. Step 3: Cross multiply
    20,994.79x = 31,496.62 × 6,954.02
  4. Step 4: Simplify right side
    20,994.79x = 219,028,101.25
  5. Step 5: Solve for x
    x = 219,028,101.25/20,994.79
  6. Step 6: Final answer
    x = 10,432.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.