Home / 13,994.64-20,990.61-4,634.28

Finding the Fourth Proportional to 13,994.64, 20,990.61 and 4,634.28

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Solution

The fourth proportional to 13,994.64, 20,990.61 and 4,634.28 is: 6,950.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.64 : 20,990.61 = 4,634.28 : x
  2. Step 2: Convert to fraction form
    13,994.64/20,990.61 = 4,634.28/x
  3. Step 3: Cross multiply
    13,994.64x = 20,990.61 × 4,634.28
  4. Step 4: Simplify right side
    13,994.64x = 97,276,364.11
  5. Step 5: Solve for x
    x = 97,276,364.11/13,994.64
  6. Step 6: Final answer
    x = 6,950.97

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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.