Home / 10,957.97-15,123.32-6,178.83

Finding the Fourth Proportional to 10,957.97, 15,123.32 and 6,178.83

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Solution

The fourth proportional to 10,957.97, 15,123.32 and 6,178.83 is: 8,527.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.97 : 15,123.32 = 6,178.83 : x
  2. Step 2: Convert to fraction form
    10,957.97/15,123.32 = 6,178.83/x
  3. Step 3: Cross multiply
    10,957.97x = 15,123.32 × 6,178.83
  4. Step 4: Simplify right side
    10,957.97x = 93,444,392.42
  5. Step 5: Solve for x
    x = 93,444,392.42/10,957.97
  6. Step 6: Final answer
    x = 8,527.53

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Double scale
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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.