Home / 10,511.52-15,759.36-6,350.64

Finding the Fourth Proportional to 10,511.52, 15,759.36 and 6,350.64

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Solution

The fourth proportional to 10,511.52, 15,759.36 and 6,350.64 is: 9,521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511.52 : 15,759.36 = 6,350.64 : x
  2. Step 2: Convert to fraction form
    10,511.52/15,759.36 = 6,350.64/x
  3. Step 3: Cross multiply
    10,511.52x = 15,759.36 × 6,350.64
  4. Step 4: Simplify right side
    10,511.52x = 100,082,021.99
  5. Step 5: Solve for x
    x = 100,082,021.99/10,511.52
  6. Step 6: Final answer
    x = 9,521.18

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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.