Home / 11,282.24-16,929.12-9,657.92

Finding the Fourth Proportional to 11,282.24, 16,929.12 and 9,657.92

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Solution

The fourth proportional to 11,282.24, 16,929.12 and 9,657.92 is: 14,491.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.24 : 16,929.12 = 9,657.92 : x
  2. Step 2: Convert to fraction form
    11,282.24/16,929.12 = 9,657.92/x
  3. Step 3: Cross multiply
    11,282.24x = 16,929.12 × 9,657.92
  4. Step 4: Simplify right side
    11,282.24x = 163,500,086.63
  5. Step 5: Solve for x
    x = 163,500,086.63/11,282.24
  6. Step 6: Final answer
    x = 14,491.81

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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.