Home / 13,287.94-19,930.68-4,053.94

Finding the Fourth Proportional to 13,287.94, 19,930.68 and 4,053.94

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Solution

The fourth proportional to 13,287.94, 19,930.68 and 4,053.94 is: 6,080.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287.94 : 19,930.68 = 4,053.94 : x
  2. Step 2: Convert to fraction form
    13,287.94/19,930.68 = 4,053.94/x
  3. Step 3: Cross multiply
    13,287.94x = 19,930.68 × 4,053.94
  4. Step 4: Simplify right side
    13,287.94x = 80,797,681.23
  5. Step 5: Solve for x
    x = 80,797,681.23/13,287.94
  6. Step 6: Final answer
    x = 6,080.53

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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.