Home / 11,350.88-15,671.76-7,108.32

Finding the Fourth Proportional to 11,350.88, 15,671.76 and 7,108.32

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Solution

The fourth proportional to 11,350.88, 15,671.76 and 7,108.32 is: 9,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,350.88 : 15,671.76 = 7,108.32 : x
  2. Step 2: Convert to fraction form
    11,350.88/15,671.76 = 7,108.32/x
  3. Step 3: Cross multiply
    11,350.88x = 15,671.76 × 7,108.32
  4. Step 4: Simplify right side
    11,350.88x = 111,399,885.04
  5. Step 5: Solve for x
    x = 111,399,885.04/11,350.88
  6. Step 6: Final answer
    x = 9,814.21

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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.