Home / 10,816.32-16,230.96-7,487.24

Finding the Fourth Proportional to 10,816.32, 16,230.96 and 7,487.24

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Solution

The fourth proportional to 10,816.32, 16,230.96 and 7,487.24 is: 11,235.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.32 : 16,230.96 = 7,487.24 : x
  2. Step 2: Convert to fraction form
    10,816.32/16,230.96 = 7,487.24/x
  3. Step 3: Cross multiply
    10,816.32x = 16,230.96 × 7,487.24
  4. Step 4: Simplify right side
    10,816.32x = 121,525,092.95
  5. Step 5: Solve for x
    x = 121,525,092.95/10,816.32
  6. Step 6: Final answer
    x = 11,235.35

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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.