Home / 17,668.86-26,515.41-7,280.61

Finding the Fourth Proportional to 17,668.86, 26,515.41 and 7,280.61

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Solution

The fourth proportional to 17,668.86, 26,515.41 and 7,280.61 is: 10,925.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,668.86 : 26,515.41 = 7,280.61 : x
  2. Step 2: Convert to fraction form
    17,668.86/26,515.41 = 7,280.61/x
  3. Step 3: Cross multiply
    17,668.86x = 26,515.41 × 7,280.61
  4. Step 4: Simplify right side
    17,668.86x = 193,048,359.20
  5. Step 5: Solve for x
    x = 193,048,359.20/17,668.86
  6. Step 6: Final answer
    x = 10,925.91

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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.