Home / 16,945.80-23,385.19-9,392.15

Finding the Fourth Proportional to 16,945.80, 23,385.19 and 9,392.15

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Solution

The fourth proportional to 16,945.80, 23,385.19 and 9,392.15 is: 12,961.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945.80 : 23,385.19 = 9,392.15 : x
  2. Step 2: Convert to fraction form
    16,945.80/23,385.19 = 9,392.15/x
  3. Step 3: Cross multiply
    16,945.80x = 23,385.19 × 9,392.15
  4. Step 4: Simplify right side
    16,945.80x = 219,637,048.37
  5. Step 5: Solve for x
    x = 219,637,048.37/16,945.80
  6. Step 6: Final answer
    x = 12,961.15

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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.