Home / 14,607.41-21,929.94-12,540.69

Finding the Fourth Proportional to 14,607.41, 21,929.94 and 12,540.69

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Solution

The fourth proportional to 14,607.41, 21,929.94 and 12,540.69 is: 18,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,607.41 : 21,929.94 = 12,540.69 : x
  2. Step 2: Convert to fraction form
    14,607.41/21,929.94 = 12,540.69/x
  3. Step 3: Cross multiply
    14,607.41x = 21,929.94 × 12,540.69
  4. Step 4: Simplify right side
    14,607.41x = 275,016,579.26
  5. Step 5: Solve for x
    x = 275,016,579.26/14,607.41
  6. Step 6: Final answer
    x = 18,827.20

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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.