Home / 10,493.36-15,746.12-3,919.30

Finding the Fourth Proportional to 10,493.36, 15,746.12 and 3,919.30

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Solution

The fourth proportional to 10,493.36, 15,746.12 and 3,919.30 is: 5,881.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,493.36 : 15,746.12 = 3,919.30 : x
  2. Step 2: Convert to fraction form
    10,493.36/15,746.12 = 3,919.30/x
  3. Step 3: Cross multiply
    10,493.36x = 15,746.12 × 3,919.30
  4. Step 4: Simplify right side
    10,493.36x = 61,713,768.12
  5. Step 5: Solve for x
    x = 61,713,768.12/10,493.36
  6. Step 6: Final answer
    x = 5,881.22

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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.