Home / 17,985.78-26,983.94-9,226.80

Finding the Fourth Proportional to 17,985.78, 26,983.94 and 9,226.80

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Solution

The fourth proportional to 17,985.78, 26,983.94 and 9,226.80 is: 13,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.78 : 26,983.94 = 9,226.80 : x
  2. Step 2: Convert to fraction form
    17,985.78/26,983.94 = 9,226.80/x
  3. Step 3: Cross multiply
    17,985.78x = 26,983.94 × 9,226.80
  4. Step 4: Simplify right side
    17,985.78x = 248,975,371.46
  5. Step 5: Solve for x
    x = 248,975,371.46/17,985.78
  6. Step 6: Final answer
    x = 13,842.90

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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.