Home / 11,380.99-15,709.24-6,602.15

Finding the Fourth Proportional to 11,380.99, 15,709.24 and 6,602.15

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Solution

The fourth proportional to 11,380.99, 15,709.24 and 6,602.15 is: 9,112.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.99 : 15,709.24 = 6,602.15 : x
  2. Step 2: Convert to fraction form
    11,380.99/15,709.24 = 6,602.15/x
  3. Step 3: Cross multiply
    11,380.99x = 15,709.24 × 6,602.15
  4. Step 4: Simplify right side
    11,380.99x = 103,714,680.32
  5. Step 5: Solve for x
    x = 103,714,680.32/11,380.99
  6. Step 6: Final answer
    x = 9,112.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.