Home / 23,699.80-35,540.10-8,109.40

Finding the Fourth Proportional to 23,699.80, 35,540.10 and 8,109.40

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Solution

The fourth proportional to 23,699.80, 35,540.10 and 8,109.40 is: 12,160.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,699.80 : 35,540.10 = 8,109.40 : x
  2. Step 2: Convert to fraction form
    23,699.80/35,540.10 = 8,109.40/x
  3. Step 3: Cross multiply
    23,699.80x = 35,540.10 × 8,109.40
  4. Step 4: Simplify right side
    23,699.80x = 288,208,886.94
  5. Step 5: Solve for x
    x = 288,208,886.94/23,699.80
  6. Step 6: Final answer
    x = 12,160.82

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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.