Home / 10,570.44-15,863.36-8,515.26

Finding the Fourth Proportional to 10,570.44, 15,863.36 and 8,515.26

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Solution

The fourth proportional to 10,570.44, 15,863.36 and 8,515.26 is: 12,779.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,570.44 : 15,863.36 = 8,515.26 : x
  2. Step 2: Convert to fraction form
    10,570.44/15,863.36 = 8,515.26/x
  3. Step 3: Cross multiply
    10,570.44x = 15,863.36 × 8,515.26
  4. Step 4: Simplify right side
    10,570.44x = 135,080,592.30
  5. Step 5: Solve for x
    x = 135,080,592.30/10,570.44
  6. Step 6: Final answer
    x = 12,779.09

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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.