Home / 13,930.02-20,895.04-6,914.88

Finding the Fourth Proportional to 13,930.02, 20,895.04 and 6,914.88

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Solution

The fourth proportional to 13,930.02, 20,895.04 and 6,914.88 is: 10,372.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930.02 : 20,895.04 = 6,914.88 : x
  2. Step 2: Convert to fraction form
    13,930.02/20,895.04 = 6,914.88/x
  3. Step 3: Cross multiply
    13,930.02x = 20,895.04 × 6,914.88
  4. Step 4: Simplify right side
    13,930.02x = 144,486,694.20
  5. Step 5: Solve for x
    x = 144,486,694.20/13,930.02
  6. Step 6: Final answer
    x = 10,372.32

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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.