Home / 16,769.32-23,141.92-9,216.40

Finding the Fourth Proportional to 16,769.32, 23,141.92 and 9,216.40

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Solution

The fourth proportional to 16,769.32, 23,141.92 and 9,216.40 is: 12,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.32 : 23,141.92 = 9,216.40 : x
  2. Step 2: Convert to fraction form
    16,769.32/23,141.92 = 9,216.40/x
  3. Step 3: Cross multiply
    16,769.32x = 23,141.92 × 9,216.40
  4. Step 4: Simplify right side
    16,769.32x = 213,285,191.49
  5. Step 5: Solve for x
    x = 213,285,191.49/16,769.32
  6. Step 6: Final answer
    x = 12,718.77

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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.