Home / 10,523.01-15,784.67-3,408.58

Finding the Fourth Proportional to 10,523.01, 15,784.67 and 3,408.58

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Solution

The fourth proportional to 10,523.01, 15,784.67 and 3,408.58 is: 5,112.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,523.01 : 15,784.67 = 3,408.58 : x
  2. Step 2: Convert to fraction form
    10,523.01/15,784.67 = 3,408.58/x
  3. Step 3: Cross multiply
    10,523.01x = 15,784.67 × 3,408.58
  4. Step 4: Simplify right side
    10,523.01x = 53,803,338.72
  5. Step 5: Solve for x
    x = 53,803,338.72/10,523.01
  6. Step 6: Final answer
    x = 5,112.92

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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.