Home / 21,904.73-32,857.09-7,114.79

Finding the Fourth Proportional to 21,904.73, 32,857.09 and 7,114.79

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Solution

The fourth proportional to 21,904.73, 32,857.09 and 7,114.79 is: 10,672.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,904.73 : 32,857.09 = 7,114.79 : x
  2. Step 2: Convert to fraction form
    21,904.73/32,857.09 = 7,114.79/x
  3. Step 3: Cross multiply
    21,904.73x = 32,857.09 × 7,114.79
  4. Step 4: Simplify right side
    21,904.73x = 233,771,214.92
  5. Step 5: Solve for x
    x = 233,771,214.92/21,904.73
  6. Step 6: Final answer
    x = 10,672.18

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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.