Home / 12,521.58-17,279.98-6,856.23

Finding the Fourth Proportional to 12,521.58, 17,279.98 and 6,856.23

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Solution

The fourth proportional to 12,521.58, 17,279.98 and 6,856.23 is: 9,461.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521.58 : 17,279.98 = 6,856.23 : x
  2. Step 2: Convert to fraction form
    12,521.58/17,279.98 = 6,856.23/x
  3. Step 3: Cross multiply
    12,521.58x = 17,279.98 × 6,856.23
  4. Step 4: Simplify right side
    12,521.58x = 118,475,517.28
  5. Step 5: Solve for x
    x = 118,475,517.28/12,521.58
  6. Step 6: Final answer
    x = 9,461.71

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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.