Home / 10,305.72-15,458.40-2,514.60

Finding the Fourth Proportional to 10,305.72, 15,458.40 and 2,514.60

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Solution

The fourth proportional to 10,305.72, 15,458.40 and 2,514.60 is: 3,771.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.72 : 15,458.40 = 2,514.60 : x
  2. Step 2: Convert to fraction form
    10,305.72/15,458.40 = 2,514.60/x
  3. Step 3: Cross multiply
    10,305.72x = 15,458.40 × 2,514.60
  4. Step 4: Simplify right side
    10,305.72x = 38,871,692.64
  5. Step 5: Solve for x
    x = 38,871,692.64/10,305.72
  6. Step 6: Final answer
    x = 3,771.86

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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.