Home / 14,145.47-21,198.48-10,631.36

Finding the Fourth Proportional to 14,145.47, 21,198.48 and 10,631.36

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Solution

The fourth proportional to 14,145.47, 21,198.48 and 10,631.36 is: 15,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.47 : 21,198.48 = 10,631.36 : x
  2. Step 2: Convert to fraction form
    14,145.47/21,198.48 = 10,631.36/x
  3. Step 3: Cross multiply
    14,145.47x = 21,198.48 × 10,631.36
  4. Step 4: Simplify right side
    14,145.47x = 225,368,685.46
  5. Step 5: Solve for x
    x = 225,368,685.46/14,145.47
  6. Step 6: Final answer
    x = 15,932.22

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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.