Home / 11,833.40-17,750.10-8,895.80

Finding the Fourth Proportional to 11,833.40, 17,750.10 and 8,895.80

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Solution

The fourth proportional to 11,833.40, 17,750.10 and 8,895.80 is: 13,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,833.40 : 17,750.10 = 8,895.80 : x
  2. Step 2: Convert to fraction form
    11,833.40/17,750.10 = 8,895.80/x
  3. Step 3: Cross multiply
    11,833.40x = 17,750.10 × 8,895.80
  4. Step 4: Simplify right side
    11,833.40x = 157,901,339.58
  5. Step 5: Solve for x
    x = 157,901,339.58/11,833.40
  6. Step 6: Final answer
    x = 13,343.70

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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.