Home / 12,625.79-17,423.63-6,883.21

Finding the Fourth Proportional to 12,625.79, 17,423.63 and 6,883.21

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Solution

The fourth proportional to 12,625.79, 17,423.63 and 6,883.21 is: 9,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.79 : 17,423.63 = 6,883.21 : x
  2. Step 2: Convert to fraction form
    12,625.79/17,423.63 = 6,883.21/x
  3. Step 3: Cross multiply
    12,625.79x = 17,423.63 × 6,883.21
  4. Step 4: Simplify right side
    12,625.79x = 119,930,536.79
  5. Step 5: Solve for x
    x = 119,930,536.79/12,625.79
  6. Step 6: Final answer
    x = 9,498.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.