Home / 20,589.39-30,887.73-7,460.10

Finding the Fourth Proportional to 20,589.39, 30,887.73 and 7,460.10

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Solution

The fourth proportional to 20,589.39, 30,887.73 and 7,460.10 is: 11,191.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589.39 : 30,887.73 = 7,460.10 : x
  2. Step 2: Convert to fraction form
    20,589.39/30,887.73 = 7,460.10/x
  3. Step 3: Cross multiply
    20,589.39x = 30,887.73 × 7,460.10
  4. Step 4: Simplify right side
    20,589.39x = 230,425,554.57
  5. Step 5: Solve for x
    x = 230,425,554.57/20,589.39
  6. Step 6: Final answer
    x = 11,191.47

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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.