Home / 14,286.96-21,400.56-9,066.96

Finding the Fourth Proportional to 14,286.96, 21,400.56 and 9,066.96

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Solution

The fourth proportional to 14,286.96, 21,400.56 and 9,066.96 is: 13,581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.96 : 21,400.56 = 9,066.96 : x
  2. Step 2: Convert to fraction form
    14,286.96/21,400.56 = 9,066.96/x
  3. Step 3: Cross multiply
    14,286.96x = 21,400.56 × 9,066.96
  4. Step 4: Simplify right side
    14,286.96x = 194,038,021.50
  5. Step 5: Solve for x
    x = 194,038,021.50/14,286.96
  6. Step 6: Final answer
    x = 13,581.48

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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.