Home / 12,306.06-16,968.92-8,320.26

Finding the Fourth Proportional to 12,306.06, 16,968.92 and 8,320.26

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Solution

The fourth proportional to 12,306.06, 16,968.92 and 8,320.26 is: 11,472.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,306.06 : 16,968.92 = 8,320.26 : x
  2. Step 2: Convert to fraction form
    12,306.06/16,968.92 = 8,320.26/x
  3. Step 3: Cross multiply
    12,306.06x = 16,968.92 × 8,320.26
  4. Step 4: Simplify right side
    12,306.06x = 141,185,826.32
  5. Step 5: Solve for x
    x = 141,185,826.32/12,306.06
  6. Step 6: Final answer
    x = 11,472.87

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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.