Home / 13,669.20-18,863.58-7,701

Finding the Fourth Proportional to 13,669.20, 18,863.58 and 7,701

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Solution

The fourth proportional to 13,669.20, 18,863.58 and 7,701 is: 10,627.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.20 : 18,863.58 = 7,701 : x
  2. Step 2: Convert to fraction form
    13,669.20/18,863.58 = 7,701/x
  3. Step 3: Cross multiply
    13,669.20x = 18,863.58 × 7,701
  4. Step 4: Simplify right side
    13,669.20x = 145,268,429.58
  5. Step 5: Solve for x
    x = 145,268,429.58/13,669.20
  6. Step 6: Final answer
    x = 10,627.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.