Home / 14,115.38-21,243.96-10,623.47

Finding the Fourth Proportional to 14,115.38, 21,243.96 and 10,623.47

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Solution

The fourth proportional to 14,115.38, 21,243.96 and 10,623.47 is: 15,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.38 : 21,243.96 = 10,623.47 : x
  2. Step 2: Convert to fraction form
    14,115.38/21,243.96 = 10,623.47/x
  3. Step 3: Cross multiply
    14,115.38x = 21,243.96 × 10,623.47
  4. Step 4: Simplify right side
    14,115.38x = 225,684,465.52
  5. Step 5: Solve for x
    x = 225,684,465.52/14,115.38
  6. Step 6: Final answer
    x = 15,988.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.