Home / 10,534.68-15,804.63-3,139.11

Finding the Fourth Proportional to 10,534.68, 15,804.63 and 3,139.11

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Solution

The fourth proportional to 10,534.68, 15,804.63 and 3,139.11 is: 4,709.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,534.68 : 15,804.63 = 3,139.11 : x
  2. Step 2: Convert to fraction form
    10,534.68/15,804.63 = 3,139.11/x
  3. Step 3: Cross multiply
    10,534.68x = 15,804.63 × 3,139.11
  4. Step 4: Simplify right side
    10,534.68x = 49,612,472.08
  5. Step 5: Solve for x
    x = 49,612,472.08/10,534.68
  6. Step 6: Final answer
    x = 4,709.44

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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.