Home / 10,519.08-15,755.58-6,406.44

Finding the Fourth Proportional to 10,519.08, 15,755.58 and 6,406.44

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Solution

The fourth proportional to 10,519.08, 15,755.58 and 6,406.44 is: 9,595.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519.08 : 15,755.58 = 6,406.44 : x
  2. Step 2: Convert to fraction form
    10,519.08/15,755.58 = 6,406.44/x
  3. Step 3: Cross multiply
    10,519.08x = 15,755.58 × 6,406.44
  4. Step 4: Simplify right side
    10,519.08x = 100,937,177.94
  5. Step 5: Solve for x
    x = 100,937,177.94/10,519.08
  6. Step 6: Final answer
    x = 9,595.63

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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.