Home / 10,493.36-15,742.76-4,648.58

Finding the Fourth Proportional to 10,493.36, 15,742.76 and 4,648.58

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Solution

The fourth proportional to 10,493.36, 15,742.76 and 4,648.58 is: 6,974.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,493.36 : 15,742.76 = 4,648.58 : x
  2. Step 2: Convert to fraction form
    10,493.36/15,742.76 = 4,648.58/x
  3. Step 3: Cross multiply
    10,493.36x = 15,742.76 × 4,648.58
  4. Step 4: Simplify right side
    10,493.36x = 73,181,439.92
  5. Step 5: Solve for x
    x = 73,181,439.92/10,493.36
  6. Step 6: Final answer
    x = 6,974.07

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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.