Home / 13,799.27-19,043.46-7,750.58

Finding the Fourth Proportional to 13,799.27, 19,043.46 and 7,750.58

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Solution

The fourth proportional to 13,799.27, 19,043.46 and 7,750.58 is: 10,696.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.27 : 19,043.46 = 7,750.58 : x
  2. Step 2: Convert to fraction form
    13,799.27/19,043.46 = 7,750.58/x
  3. Step 3: Cross multiply
    13,799.27x = 19,043.46 × 7,750.58
  4. Step 4: Simplify right side
    13,799.27x = 147,597,773.08
  5. Step 5: Solve for x
    x = 147,597,773.08/13,799.27
  6. Step 6: Final answer
    x = 10,696.05

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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.