Home / 14,166.88-21,254.11-12,617.50

Finding the Fourth Proportional to 14,166.88, 21,254.11 and 12,617.50

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Solution

The fourth proportional to 14,166.88, 21,254.11 and 12,617.50 is: 18,929.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,166.88 : 21,254.11 = 12,617.50 : x
  2. Step 2: Convert to fraction form
    14,166.88/21,254.11 = 12,617.50/x
  3. Step 3: Cross multiply
    14,166.88x = 21,254.11 × 12,617.50
  4. Step 4: Simplify right side
    14,166.88x = 268,173,732.93
  5. Step 5: Solve for x
    x = 268,173,732.93/14,166.88
  6. Step 6: Final answer
    x = 18,929.63

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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.