Home / 16,769.81-25,139.09-5,668.74

Finding the Fourth Proportional to 16,769.81, 25,139.09 and 5,668.74

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Solution

The fourth proportional to 16,769.81, 25,139.09 and 5,668.74 is: 8,497.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.81 : 25,139.09 = 5,668.74 : x
  2. Step 2: Convert to fraction form
    16,769.81/25,139.09 = 5,668.74/x
  3. Step 3: Cross multiply
    16,769.81x = 25,139.09 × 5,668.74
  4. Step 4: Simplify right side
    16,769.81x = 142,506,979.22
  5. Step 5: Solve for x
    x = 142,506,979.22/16,769.81
  6. Step 6: Final answer
    x = 8,497.83

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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.