Home / 11,625.55-16,045.01-7,090.86

Finding the Fourth Proportional to 11,625.55, 16,045.01 and 7,090.86

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Solution

The fourth proportional to 11,625.55, 16,045.01 and 7,090.86 is: 9,786.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.55 : 16,045.01 = 7,090.86 : x
  2. Step 2: Convert to fraction form
    11,625.55/16,045.01 = 7,090.86/x
  3. Step 3: Cross multiply
    11,625.55x = 16,045.01 × 7,090.86
  4. Step 4: Simplify right side
    11,625.55x = 113,772,919.61
  5. Step 5: Solve for x
    x = 113,772,919.61/11,625.55
  6. Step 6: Final answer
    x = 9,786.45

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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.