Home / 26,164.64-39,268.05-12,140.30

Finding the Fourth Proportional to 26,164.64, 39,268.05 and 12,140.30

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Solution

The fourth proportional to 26,164.64, 39,268.05 and 12,140.30 is: 18,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,164.64 : 39,268.05 = 12,140.30 : x
  2. Step 2: Convert to fraction form
    26,164.64/39,268.05 = 12,140.30/x
  3. Step 3: Cross multiply
    26,164.64x = 39,268.05 × 12,140.30
  4. Step 4: Simplify right side
    26,164.64x = 476,725,907.42
  5. Step 5: Solve for x
    x = 476,725,907.42/26,164.64
  6. Step 6: Final answer
    x = 18,220.24

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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.