Home / 13,994.90-20,987.94-4,632.80

Finding the Fourth Proportional to 13,994.90, 20,987.94 and 4,632.80

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Solution

The fourth proportional to 13,994.90, 20,987.94 and 4,632.80 is: 6,947.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.90 : 20,987.94 = 4,632.80 : x
  2. Step 2: Convert to fraction form
    13,994.90/20,987.94 = 4,632.80/x
  3. Step 3: Cross multiply
    13,994.90x = 20,987.94 × 4,632.80
  4. Step 4: Simplify right side
    13,994.90x = 97,232,928.43
  5. Step 5: Solve for x
    x = 97,232,928.43/13,994.90
  6. Step 6: Final answer
    x = 6,947.74

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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.