Home / 16,428.24-22,670.60-8,976.08

Finding the Fourth Proportional to 16,428.24, 22,670.60 and 8,976.08

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Solution

The fourth proportional to 16,428.24, 22,670.60 and 8,976.08 is: 12,386.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,428.24 : 22,670.60 = 8,976.08 : x
  2. Step 2: Convert to fraction form
    16,428.24/22,670.60 = 8,976.08/x
  3. Step 3: Cross multiply
    16,428.24x = 22,670.60 × 8,976.08
  4. Step 4: Simplify right side
    16,428.24x = 203,493,119.25
  5. Step 5: Solve for x
    x = 203,493,119.25/16,428.24
  6. Step 6: Final answer
    x = 12,386.79

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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.