Home / 7,015.88-10,523.90-1,821.76

Finding the Fourth Proportional to 7,015.88, 10,523.90 and 1,821.76

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Solution

The fourth proportional to 7,015.88, 10,523.90 and 1,821.76 is: 2,732.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.88 : 10,523.90 = 1,821.76 : x
  2. Step 2: Convert to fraction form
    7,015.88/10,523.90 = 1,821.76/x
  3. Step 3: Cross multiply
    7,015.88x = 10,523.90 × 1,821.76
  4. Step 4: Simplify right side
    7,015.88x = 19,171,958.34
  5. Step 5: Solve for x
    x = 19,171,958.34/7,015.88
  6. Step 6: Final answer
    x = 2,732.65

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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.