Home / 7,015.95-10,523.93-1,821.83

Finding the Fourth Proportional to 7,015.95, 10,523.93 and 1,821.83

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Solution

The fourth proportional to 7,015.95, 10,523.93 and 1,821.83 is: 2,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.95 : 10,523.93 = 1,821.83 : x
  2. Step 2: Convert to fraction form
    7,015.95/10,523.93 = 1,821.83/x
  3. Step 3: Cross multiply
    7,015.95x = 10,523.93 × 1,821.83
  4. Step 4: Simplify right side
    7,015.95x = 19,172,749.66
  5. Step 5: Solve for x
    x = 19,172,749.66/7,015.95
  6. Step 6: Final answer
    x = 2,732.74

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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.