Home / 19,318.40-28,979.76-6,166.16

Finding the Fourth Proportional to 19,318.40, 28,979.76 and 6,166.16

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Solution

The fourth proportional to 19,318.40, 28,979.76 and 6,166.16 is: 9,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.40 : 28,979.76 = 6,166.16 : x
  2. Step 2: Convert to fraction form
    19,318.40/28,979.76 = 6,166.16/x
  3. Step 3: Cross multiply
    19,318.40x = 28,979.76 × 6,166.16
  4. Step 4: Simplify right side
    19,318.40x = 178,693,836.92
  5. Step 5: Solve for x
    x = 178,693,836.92/19,318.40
  6. Step 6: Final answer
    x = 9,249.93

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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.