Home / 16,428.04-22,670.22-8,976.04

Finding the Fourth Proportional to 16,428.04, 22,670.22 and 8,976.04

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Solution

The fourth proportional to 16,428.04, 22,670.22 and 8,976.04 is: 12,386.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,428.04 : 22,670.22 = 8,976.04 : x
  2. Step 2: Convert to fraction form
    16,428.04/22,670.22 = 8,976.04/x
  3. Step 3: Cross multiply
    16,428.04x = 22,670.22 × 8,976.04
  4. Step 4: Simplify right side
    16,428.04x = 203,488,801.53
  5. Step 5: Solve for x
    x = 203,488,801.53/16,428.04
  6. Step 6: Final answer
    x = 12,386.68

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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.