Home / 15,083.52-20,796.18-12,530.82

Finding the Fourth Proportional to 15,083.52, 20,796.18 and 12,530.82

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Solution

The fourth proportional to 15,083.52, 20,796.18 and 12,530.82 is: 17,276.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,083.52 : 20,796.18 = 12,530.82 : x
  2. Step 2: Convert to fraction form
    15,083.52/20,796.18 = 12,530.82/x
  3. Step 3: Cross multiply
    15,083.52x = 20,796.18 × 12,530.82
  4. Step 4: Simplify right side
    15,083.52x = 260,593,188.27
  5. Step 5: Solve for x
    x = 260,593,188.27/15,083.52
  6. Step 6: Final answer
    x = 17,276.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.