Home / 17,279.79-25,885.28-13,317.23

Finding the Fourth Proportional to 17,279.79, 25,885.28 and 13,317.23

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Solution

The fourth proportional to 17,279.79, 25,885.28 and 13,317.23 is: 19,949.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,279.79 : 25,885.28 = 13,317.23 : x
  2. Step 2: Convert to fraction form
    17,279.79/25,885.28 = 13,317.23/x
  3. Step 3: Cross multiply
    17,279.79x = 25,885.28 × 13,317.23
  4. Step 4: Simplify right side
    17,279.79x = 344,720,031.36
  5. Step 5: Solve for x
    x = 344,720,031.36/17,279.79
  6. Step 6: Final answer
    x = 19,949.32

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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.