Home / 14,233.90-21,300.45-12,405.10

Finding the Fourth Proportional to 14,233.90, 21,300.45 and 12,405.10

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Solution

The fourth proportional to 14,233.90, 21,300.45 and 12,405.10 is: 18,563.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,233.90 : 21,300.45 = 12,405.10 : x
  2. Step 2: Convert to fraction form
    14,233.90/21,300.45 = 12,405.10/x
  3. Step 3: Cross multiply
    14,233.90x = 21,300.45 × 12,405.10
  4. Step 4: Simplify right side
    14,233.90x = 264,234,212.30
  5. Step 5: Solve for x
    x = 264,234,212.30/14,233.90
  6. Step 6: Final answer
    x = 18,563.73

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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.