Home / 18,709.90-28,103.74-14,841.34

Finding the Fourth Proportional to 18,709.90, 28,103.74 and 14,841.34

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Solution

The fourth proportional to 18,709.90, 28,103.74 and 14,841.34 is: 22,292.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709.90 : 28,103.74 = 14,841.34 : x
  2. Step 2: Convert to fraction form
    18,709.90/28,103.74 = 14,841.34/x
  3. Step 3: Cross multiply
    18,709.90x = 28,103.74 × 14,841.34
  4. Step 4: Simplify right side
    18,709.90x = 417,097,160.61
  5. Step 5: Solve for x
    x = 417,097,160.61/18,709.90
  6. Step 6: Final answer
    x = 22,292.86

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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.