Home / 15,511.32-23,267.16-5,649.84

Finding the Fourth Proportional to 15,511.32, 23,267.16 and 5,649.84

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Solution

The fourth proportional to 15,511.32, 23,267.16 and 5,649.84 is: 8,474.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.32 : 23,267.16 = 5,649.84 : x
  2. Step 2: Convert to fraction form
    15,511.32/23,267.16 = 5,649.84/x
  3. Step 3: Cross multiply
    15,511.32x = 23,267.16 × 5,649.84
  4. Step 4: Simplify right side
    15,511.32x = 131,455,731.25
  5. Step 5: Solve for x
    x = 131,455,731.25/15,511.32
  6. Step 6: Final answer
    x = 8,474.83

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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.