Home / 17,218.20-25,827.30-13,325.40

Finding the Fourth Proportional to 17,218.20, 25,827.30 and 13,325.40

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Solution

The fourth proportional to 17,218.20, 25,827.30 and 13,325.40 is: 19,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218.20 : 25,827.30 = 13,325.40 : x
  2. Step 2: Convert to fraction form
    17,218.20/25,827.30 = 13,325.40/x
  3. Step 3: Cross multiply
    17,218.20x = 25,827.30 × 13,325.40
  4. Step 4: Simplify right side
    17,218.20x = 344,159,103.42
  5. Step 5: Solve for x
    x = 344,159,103.42/17,218.20
  6. Step 6: Final answer
    x = 19,988.10

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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.