Home / 13,994.94-20,990.58-4,632.64

Finding the Fourth Proportional to 13,994.94, 20,990.58 and 4,632.64

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Solution

The fourth proportional to 13,994.94, 20,990.58 and 4,632.64 is: 6,948.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.94 : 20,990.58 = 4,632.64 : x
  2. Step 2: Convert to fraction form
    13,994.94/20,990.58 = 4,632.64/x
  3. Step 3: Cross multiply
    13,994.94x = 20,990.58 × 4,632.64
  4. Step 4: Simplify right side
    13,994.94x = 97,241,848.75
  5. Step 5: Solve for x
    x = 97,241,848.75/13,994.94
  6. Step 6: Final answer
    x = 6,948.36

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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.