Home / 10,305.41-15,457.89-2,514.20

Finding the Fourth Proportional to 10,305.41, 15,457.89 and 2,514.20

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Solution

The fourth proportional to 10,305.41, 15,457.89 and 2,514.20 is: 3,771.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.41 : 15,457.89 = 2,514.20 : x
  2. Step 2: Convert to fraction form
    10,305.41/15,457.89 = 2,514.20/x
  3. Step 3: Cross multiply
    10,305.41x = 15,457.89 × 2,514.20
  4. Step 4: Simplify right side
    10,305.41x = 38,864,227.04
  5. Step 5: Solve for x
    x = 38,864,227.04/10,305.41
  6. Step 6: Final answer
    x = 3,771.25

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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.