Home / 14,270.10-21,441.60-12,666.30

Finding the Fourth Proportional to 14,270.10, 21,441.60 and 12,666.30

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Solution

The fourth proportional to 14,270.10, 21,441.60 and 12,666.30 is: 19,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.10 : 21,441.60 = 12,666.30 : x
  2. Step 2: Convert to fraction form
    14,270.10/21,441.60 = 12,666.30/x
  3. Step 3: Cross multiply
    14,270.10x = 21,441.60 × 12,666.30
  4. Step 4: Simplify right side
    14,270.10x = 271,585,738.08
  5. Step 5: Solve for x
    x = 271,585,738.08/14,270.10
  6. Step 6: Final answer
    x = 19,031.80

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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.