Home / 17,666.62-26,479.02-7,785.22

Finding the Fourth Proportional to 17,666.62, 26,479.02 and 7,785.22

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Solution

The fourth proportional to 17,666.62, 26,479.02 and 7,785.22 is: 11,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,666.62 : 26,479.02 = 7,785.22 : x
  2. Step 2: Convert to fraction form
    17,666.62/26,479.02 = 7,785.22/x
  3. Step 3: Cross multiply
    17,666.62x = 26,479.02 × 7,785.22
  4. Step 4: Simplify right side
    17,666.62x = 206,144,996.08
  5. Step 5: Solve for x
    x = 206,144,996.08/17,666.62
  6. Step 6: Final answer
    x = 11,668.62

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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.