Home / 14,443.28-21,631.44-10,538

Finding the Fourth Proportional to 14,443.28, 21,631.44 and 10,538

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Solution

The fourth proportional to 14,443.28, 21,631.44 and 10,538 is: 15,782.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443.28 : 21,631.44 = 10,538 : x
  2. Step 2: Convert to fraction form
    14,443.28/21,631.44 = 10,538/x
  3. Step 3: Cross multiply
    14,443.28x = 21,631.44 × 10,538
  4. Step 4: Simplify right side
    14,443.28x = 227,952,114.72
  5. Step 5: Solve for x
    x = 227,952,114.72/14,443.28
  6. Step 6: Final answer
    x = 15,782.57

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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.