Home / 18,045.72-24,899.40-13,273.20

Finding the Fourth Proportional to 18,045.72, 24,899.40 and 13,273.20

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Solution

The fourth proportional to 18,045.72, 24,899.40 and 13,273.20 is: 18,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045.72 : 24,899.40 = 13,273.20 : x
  2. Step 2: Convert to fraction form
    18,045.72/24,899.40 = 13,273.20/x
  3. Step 3: Cross multiply
    18,045.72x = 24,899.40 × 13,273.20
  4. Step 4: Simplify right side
    18,045.72x = 330,494,716.08
  5. Step 5: Solve for x
    x = 330,494,716.08/18,045.72
  6. Step 6: Final answer
    x = 18,314.30

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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.