Home / 23,068.28-31,834.09-12,999.95

Finding the Fourth Proportional to 23,068.28, 31,834.09 and 12,999.95

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Solution

The fourth proportional to 23,068.28, 31,834.09 and 12,999.95 is: 17,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,068.28 : 31,834.09 = 12,999.95 : x
  2. Step 2: Convert to fraction form
    23,068.28/31,834.09 = 12,999.95/x
  3. Step 3: Cross multiply
    23,068.28x = 31,834.09 × 12,999.95
  4. Step 4: Simplify right side
    23,068.28x = 413,841,660.69
  5. Step 5: Solve for x
    x = 413,841,660.69/23,068.28
  6. Step 6: Final answer
    x = 17,939.86

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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.