Home / 11,957.67-16,501.68-6,506.79

Finding the Fourth Proportional to 11,957.67, 16,501.68 and 6,506.79

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Solution

The fourth proportional to 11,957.67, 16,501.68 and 6,506.79 is: 8,979.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,957.67 : 16,501.68 = 6,506.79 : x
  2. Step 2: Convert to fraction form
    11,957.67/16,501.68 = 6,506.79/x
  3. Step 3: Cross multiply
    11,957.67x = 16,501.68 × 6,506.79
  4. Step 4: Simplify right side
    11,957.67x = 107,372,966.41
  5. Step 5: Solve for x
    x = 107,372,966.41/11,957.67
  6. Step 6: Final answer
    x = 8,979.42

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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.