Home / 18,043.05-24,899.60-10,085.72

Finding the Fourth Proportional to 18,043.05, 24,899.60 and 10,085.72

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Solution

The fourth proportional to 18,043.05, 24,899.60 and 10,085.72 is: 13,918.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043.05 : 24,899.60 = 10,085.72 : x
  2. Step 2: Convert to fraction form
    18,043.05/24,899.60 = 10,085.72/x
  3. Step 3: Cross multiply
    18,043.05x = 24,899.60 × 10,085.72
  4. Step 4: Simplify right side
    18,043.05x = 251,130,294.43
  5. Step 5: Solve for x
    x = 251,130,294.43/18,043.05
  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.