Home / 10,272.52-15,411.81-4,346.36

Finding the Fourth Proportional to 10,272.52, 15,411.81 and 4,346.36

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Solution

The fourth proportional to 10,272.52, 15,411.81 and 4,346.36 is: 6,520.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.52 : 15,411.81 = 4,346.36 : x
  2. Step 2: Convert to fraction form
    10,272.52/15,411.81 = 4,346.36/x
  3. Step 3: Cross multiply
    10,272.52x = 15,411.81 × 4,346.36
  4. Step 4: Simplify right side
    10,272.52x = 66,985,197.45
  5. Step 5: Solve for x
    x = 66,985,197.45/10,272.52
  6. Step 6: Final answer
    x = 6,520.82

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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.