Home / 17,909.48-26,857.99-9,021.38

Finding the Fourth Proportional to 17,909.48, 26,857.99 and 9,021.38

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Solution

The fourth proportional to 17,909.48, 26,857.99 and 9,021.38 is: 13,528.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909.48 : 26,857.99 = 9,021.38 : x
  2. Step 2: Convert to fraction form
    17,909.48/26,857.99 = 9,021.38/x
  3. Step 3: Cross multiply
    17,909.48x = 26,857.99 × 9,021.38
  4. Step 4: Simplify right side
    17,909.48x = 242,296,023.50
  5. Step 5: Solve for x
    x = 242,296,023.50/17,909.48
  6. Step 6: Final answer
    x = 13,528.93

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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.