Home / 12,021.70-18,032.14-5,443.29

Finding the Fourth Proportional to 12,021.70, 18,032.14 and 5,443.29

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Solution

The fourth proportional to 12,021.70, 18,032.14 and 5,443.29 is: 8,164.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021.70 : 18,032.14 = 5,443.29 : x
  2. Step 2: Convert to fraction form
    12,021.70/18,032.14 = 5,443.29/x
  3. Step 3: Cross multiply
    12,021.70x = 18,032.14 × 5,443.29
  4. Step 4: Simplify right side
    12,021.70x = 98,154,167.34
  5. Step 5: Solve for x
    x = 98,154,167.34/12,021.70
  6. Step 6: Final answer
    x = 8,164.75

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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.