Home / 11,892.23-16,407.07-7,108.85

Finding the Fourth Proportional to 11,892.23, 16,407.07 and 7,108.85

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Solution

The fourth proportional to 11,892.23, 16,407.07 and 7,108.85 is: 9,807.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.23 : 16,407.07 = 7,108.85 : x
  2. Step 2: Convert to fraction form
    11,892.23/16,407.07 = 7,108.85/x
  3. Step 3: Cross multiply
    11,892.23x = 16,407.07 × 7,108.85
  4. Step 4: Simplify right side
    11,892.23x = 116,635,422.82
  5. Step 5: Solve for x
    x = 116,635,422.82/11,892.23
  6. Step 6: Final answer
    x = 9,807.70

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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.