Home / 10,289.30-15,429.36-3,267.32

Finding the Fourth Proportional to 10,289.30, 15,429.36 and 3,267.32

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Solution

The fourth proportional to 10,289.30, 15,429.36 and 3,267.32 is: 4,899.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.30 : 15,429.36 = 3,267.32 : x
  2. Step 2: Convert to fraction form
    10,289.30/15,429.36 = 3,267.32/x
  3. Step 3: Cross multiply
    10,289.30x = 15,429.36 × 3,267.32
  4. Step 4: Simplify right side
    10,289.30x = 50,412,656.52
  5. Step 5: Solve for x
    x = 50,412,656.52/10,289.30
  6. Step 6: Final answer
    x = 4,899.52

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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.