Home / 16,905.51-23,336.15-15,134.04

Finding the Fourth Proportional to 16,905.51, 23,336.15 and 15,134.04

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Solution

The fourth proportional to 16,905.51, 23,336.15 and 15,134.04 is: 20,890.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.51 : 23,336.15 = 15,134.04 : x
  2. Step 2: Convert to fraction form
    16,905.51/23,336.15 = 15,134.04/x
  3. Step 3: Cross multiply
    16,905.51x = 23,336.15 × 15,134.04
  4. Step 4: Simplify right side
    16,905.51x = 353,170,151.88
  5. Step 5: Solve for x
    x = 353,170,151.88/16,905.51
  6. Step 6: Final answer
    x = 20,890.83

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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.