Home / 26,132.70-39,220.65-12,114.30

Finding the Fourth Proportional to 26,132.70, 39,220.65 and 12,114.30

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Solution

The fourth proportional to 26,132.70, 39,220.65 and 12,114.30 is: 18,181.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,132.70 : 39,220.65 = 12,114.30 : x
  2. Step 2: Convert to fraction form
    26,132.70/39,220.65 = 12,114.30/x
  3. Step 3: Cross multiply
    26,132.70x = 39,220.65 × 12,114.30
  4. Step 4: Simplify right side
    26,132.70x = 475,130,720.30
  5. Step 5: Solve for x
    x = 475,130,720.30/26,132.70
  6. Step 6: Final answer
    x = 18,181.46

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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.