Home / 17,431.36-26,138.84-6,330.28

Finding the Fourth Proportional to 17,431.36, 26,138.84 and 6,330.28

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Solution

The fourth proportional to 17,431.36, 26,138.84 and 6,330.28 is: 9,492.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,431.36 : 26,138.84 = 6,330.28 : x
  2. Step 2: Convert to fraction form
    17,431.36/26,138.84 = 6,330.28/x
  3. Step 3: Cross multiply
    17,431.36x = 26,138.84 × 6,330.28
  4. Step 4: Simplify right side
    17,431.36x = 165,466,176.08
  5. Step 5: Solve for x
    x = 165,466,176.08/17,431.36
  6. Step 6: Final answer
    x = 9,492.44

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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.