Home / 10,670.72-16,011.52-6,519.36

Finding the Fourth Proportional to 10,670.72, 16,011.52 and 6,519.36

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Solution

The fourth proportional to 10,670.72, 16,011.52 and 6,519.36 is: 9,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.72 : 16,011.52 = 6,519.36 : x
  2. Step 2: Convert to fraction form
    10,670.72/16,011.52 = 6,519.36/x
  3. Step 3: Cross multiply
    10,670.72x = 16,011.52 × 6,519.36
  4. Step 4: Simplify right side
    10,670.72x = 104,384,863.03
  5. Step 5: Solve for x
    x = 104,384,863.03/10,670.72
  6. Step 6: Final answer
    x = 9,782.36

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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.