Home / 14,097.20-21,170.10-9,966.20

Finding the Fourth Proportional to 14,097.20, 21,170.10 and 9,966.20

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Solution

The fourth proportional to 14,097.20, 21,170.10 and 9,966.20 is: 14,966.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,097.20 : 21,170.10 = 9,966.20 : x
  2. Step 2: Convert to fraction form
    14,097.20/21,170.10 = 9,966.20/x
  3. Step 3: Cross multiply
    14,097.20x = 21,170.10 × 9,966.20
  4. Step 4: Simplify right side
    14,097.20x = 210,985,450.62
  5. Step 5: Solve for x
    x = 210,985,450.62/14,097.20
  6. Step 6: Final answer
    x = 14,966.48

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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.