Home / 18,043.70-24,900.40-10,085.75

Finding the Fourth Proportional to 18,043.70, 24,900.40 and 10,085.75

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Solution

The fourth proportional to 18,043.70, 24,900.40 and 10,085.75 is: 13,918.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043.70 : 24,900.40 = 10,085.75 : x
  2. Step 2: Convert to fraction form
    18,043.70/24,900.40 = 10,085.75/x
  3. Step 3: Cross multiply
    18,043.70x = 24,900.40 × 10,085.75
  4. Step 4: Simplify right side
    18,043.70x = 251,139,209.30
  5. Step 5: Solve for x
    x = 251,139,209.30/18,043.70
  6. Step 6: Final answer
    x = 13,918.39

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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.