Home / 17,379-23,982.89-9,421.02

Finding the Fourth Proportional to 17,379, 23,982.89 and 9,421.02

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Solution

The fourth proportional to 17,379, 23,982.89 and 9,421.02 is: 13,000.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,379 : 23,982.89 = 9,421.02 : x
  2. Step 2: Convert to fraction form
    17,379/23,982.89 = 9,421.02/x
  3. Step 3: Cross multiply
    17,379x = 23,982.89 × 9,421.02
  4. Step 4: Simplify right side
    17,379x = 225,943,239.24
  5. Step 5: Solve for x
    x = 225,943,239.24/17,379
  6. Step 6: Final answer
    x = 13,000.93

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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.