Home / 17,117.08-25,679.34-5,431.24

Finding the Fourth Proportional to 17,117.08, 25,679.34 and 5,431.24

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Solution

The fourth proportional to 17,117.08, 25,679.34 and 5,431.24 is: 8,148.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,117.08 : 25,679.34 = 5,431.24 : x
  2. Step 2: Convert to fraction form
    17,117.08/25,679.34 = 5,431.24/x
  3. Step 3: Cross multiply
    17,117.08x = 25,679.34 × 5,431.24
  4. Step 4: Simplify right side
    17,117.08x = 139,470,658.58
  5. Step 5: Solve for x
    x = 139,470,658.58/17,117.08
  6. Step 6: Final answer
    x = 8,148.04

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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.