Home / 14,287.05-21,436.70-5,528.13

Finding the Fourth Proportional to 14,287.05, 21,436.70 and 5,528.13

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Solution

The fourth proportional to 14,287.05, 21,436.70 and 5,528.13 is: 8,294.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287.05 : 21,436.70 = 5,528.13 : x
  2. Step 2: Convert to fraction form
    14,287.05/21,436.70 = 5,528.13/x
  3. Step 3: Cross multiply
    14,287.05x = 21,436.70 × 5,528.13
  4. Step 4: Simplify right side
    14,287.05x = 118,504,836.73
  5. Step 5: Solve for x
    x = 118,504,836.73/14,287.05
  6. Step 6: Final answer
    x = 8,294.56

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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.