Home / 13,731.68-20,590.80-9,573.68

Finding the Fourth Proportional to 13,731.68, 20,590.80 and 9,573.68

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Solution

The fourth proportional to 13,731.68, 20,590.80 and 9,573.68 is: 14,355.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.68 : 20,590.80 = 9,573.68 : x
  2. Step 2: Convert to fraction form
    13,731.68/20,590.80 = 9,573.68/x
  3. Step 3: Cross multiply
    13,731.68x = 20,590.80 × 9,573.68
  4. Step 4: Simplify right side
    13,731.68x = 197,129,730.14
  5. Step 5: Solve for x
    x = 197,129,730.14/13,731.68
  6. Step 6: Final answer
    x = 14,355.83

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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.