Home / 23,201.13-34,801.70-12,878.49

Finding the Fourth Proportional to 23,201.13, 34,801.70 and 12,878.49

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Solution

The fourth proportional to 23,201.13, 34,801.70 and 12,878.49 is: 19,317.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,201.13 : 34,801.70 = 12,878.49 : x
  2. Step 2: Convert to fraction form
    23,201.13/34,801.70 = 12,878.49/x
  3. Step 3: Cross multiply
    23,201.13x = 34,801.70 × 12,878.49
  4. Step 4: Simplify right side
    23,201.13x = 448,193,345.43
  5. Step 5: Solve for x
    x = 448,193,345.43/23,201.13
  6. Step 6: Final answer
    x = 19,317.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.