Home / 23,017.38-31,763.67-12,945.82

Finding the Fourth Proportional to 23,017.38, 31,763.67 and 12,945.82

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Solution

The fourth proportional to 23,017.38, 31,763.67 and 12,945.82 is: 17,865.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,017.38 : 31,763.67 = 12,945.82 : x
  2. Step 2: Convert to fraction form
    23,017.38/31,763.67 = 12,945.82/x
  3. Step 3: Cross multiply
    23,017.38x = 31,763.67 × 12,945.82
  4. Step 4: Simplify right side
    23,017.38x = 411,206,660.34
  5. Step 5: Solve for x
    x = 411,206,660.34/23,017.38
  6. Step 6: Final answer
    x = 17,865.05

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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.