Home / 13,977.77-20,967.30-4,618.62

Finding the Fourth Proportional to 13,977.77, 20,967.30 and 4,618.62

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Solution

The fourth proportional to 13,977.77, 20,967.30 and 4,618.62 is: 6,928.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977.77 : 20,967.30 = 4,618.62 : x
  2. Step 2: Convert to fraction form
    13,977.77/20,967.30 = 4,618.62/x
  3. Step 3: Cross multiply
    13,977.77x = 20,967.30 × 4,618.62
  4. Step 4: Simplify right side
    13,977.77x = 96,839,991.13
  5. Step 5: Solve for x
    x = 96,839,991.13/13,977.77
  6. Step 6: Final answer
    x = 6,928.15

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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.