Home / 16,221.92-22,386.30-9,148.34

Finding the Fourth Proportional to 16,221.92, 22,386.30 and 9,148.34

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Solution

The fourth proportional to 16,221.92, 22,386.30 and 9,148.34 is: 12,624.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,221.92 : 22,386.30 = 9,148.34 : x
  2. Step 2: Convert to fraction form
    16,221.92/22,386.30 = 9,148.34/x
  3. Step 3: Cross multiply
    16,221.92x = 22,386.30 × 9,148.34
  4. Step 4: Simplify right side
    16,221.92x = 204,797,483.74
  5. Step 5: Solve for x
    x = 204,797,483.74/16,221.92
  6. Step 6: Final answer
    x = 12,624.74

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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.