Home / 15,538.30-23,273.43-12,892.30

Finding the Fourth Proportional to 15,538.30, 23,273.43 and 12,892.30

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Solution

The fourth proportional to 15,538.30, 23,273.43 and 12,892.30 is: 19,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,538.30 : 23,273.43 = 12,892.30 : x
  2. Step 2: Convert to fraction form
    15,538.30/23,273.43 = 12,892.30/x
  3. Step 3: Cross multiply
    15,538.30x = 23,273.43 × 12,892.30
  4. Step 4: Simplify right side
    15,538.30x = 300,048,041.59
  5. Step 5: Solve for x
    x = 300,048,041.59/15,538.30
  6. Step 6: Final answer
    x = 19,310.22

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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.