Home / 17,985.90-24,814.17-12,021.33

Finding the Fourth Proportional to 17,985.90, 24,814.17 and 12,021.33

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Solution

The fourth proportional to 17,985.90, 24,814.17 and 12,021.33 is: 16,585.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.90 : 24,814.17 = 12,021.33 : x
  2. Step 2: Convert to fraction form
    17,985.90/24,814.17 = 12,021.33/x
  3. Step 3: Cross multiply
    17,985.90x = 24,814.17 × 12,021.33
  4. Step 4: Simplify right side
    17,985.90x = 298,299,326.25
  5. Step 5: Solve for x
    x = 298,299,326.25/17,985.90
  6. Step 6: Final answer
    x = 16,585.18

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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.