Home / 16,668.82-25,005.64-5,572.20

Finding the Fourth Proportional to 16,668.82, 25,005.64 and 5,572.20

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Solution

The fourth proportional to 16,668.82, 25,005.64 and 5,572.20 is: 8,359.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,668.82 : 25,005.64 = 5,572.20 : x
  2. Step 2: Convert to fraction form
    16,668.82/25,005.64 = 5,572.20/x
  3. Step 3: Cross multiply
    16,668.82x = 25,005.64 × 5,572.20
  4. Step 4: Simplify right side
    16,668.82x = 139,336,427.21
  5. Step 5: Solve for x
    x = 139,336,427.21/16,668.82
  6. Step 6: Final answer
    x = 8,359.11

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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.