Home / 10,317.76-15,455.84-4,763.36

Finding the Fourth Proportional to 10,317.76, 15,455.84 and 4,763.36

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Solution

The fourth proportional to 10,317.76, 15,455.84 and 4,763.36 is: 7,135.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.76 : 15,455.84 = 4,763.36 : x
  2. Step 2: Convert to fraction form
    10,317.76/15,455.84 = 4,763.36/x
  3. Step 3: Cross multiply
    10,317.76x = 15,455.84 × 4,763.36
  4. Step 4: Simplify right side
    10,317.76x = 73,621,730.02
  5. Step 5: Solve for x
    x = 73,621,730.02/10,317.76
  6. Step 6: Final answer
    x = 7,135.44

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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.