Home / 13,975.41-20,957.58-6,178.77

Finding the Fourth Proportional to 13,975.41, 20,957.58 and 6,178.77

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Solution

The fourth proportional to 13,975.41, 20,957.58 and 6,178.77 is: 9,265.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.41 : 20,957.58 = 6,178.77 : x
  2. Step 2: Convert to fraction form
    13,975.41/20,957.58 = 6,178.77/x
  3. Step 3: Cross multiply
    13,975.41x = 20,957.58 × 6,178.77
  4. Step 4: Simplify right side
    13,975.41x = 129,492,066.58
  5. Step 5: Solve for x
    x = 129,492,066.58/13,975.41
  6. Step 6: Final answer
    x = 9,265.71

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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.