Home / 12,038.20-18,058.20-3,272.92

Finding the Fourth Proportional to 12,038.20, 18,058.20 and 3,272.92

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Solution

The fourth proportional to 12,038.20, 18,058.20 and 3,272.92 is: 4,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.20 : 18,058.20 = 3,272.92 : x
  2. Step 2: Convert to fraction form
    12,038.20/18,058.20 = 3,272.92/x
  3. Step 3: Cross multiply
    12,038.20x = 18,058.20 × 3,272.92
  4. Step 4: Simplify right side
    12,038.20x = 59,103,043.94
  5. Step 5: Solve for x
    x = 59,103,043.94/12,038.20
  6. Step 6: Final answer
    x = 4,909.62

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1.5x scale

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.