Home / 16,289.66-22,480.24-9,215.94

Finding the Fourth Proportional to 16,289.66, 22,480.24 and 9,215.94

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Solution

The fourth proportional to 16,289.66, 22,480.24 and 9,215.94 is: 12,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,289.66 : 22,480.24 = 9,215.94 : x
  2. Step 2: Convert to fraction form
    16,289.66/22,480.24 = 9,215.94/x
  3. Step 3: Cross multiply
    16,289.66x = 22,480.24 × 9,215.94
  4. Step 4: Simplify right side
    16,289.66x = 207,176,543.03
  5. Step 5: Solve for x
    x = 207,176,543.03/16,289.66
  6. Step 6: Final answer
    x = 12,718.29

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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.