Home / 11,427.68-17,139.70-4,031.07

Finding the Fourth Proportional to 11,427.68, 17,139.70 and 4,031.07

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Solution

The fourth proportional to 11,427.68, 17,139.70 and 4,031.07 is: 6,045.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,427.68 : 17,139.70 = 4,031.07 : x
  2. Step 2: Convert to fraction form
    11,427.68/17,139.70 = 4,031.07/x
  3. Step 3: Cross multiply
    11,427.68x = 17,139.70 × 4,031.07
  4. Step 4: Simplify right side
    11,427.68x = 69,091,271.24
  5. Step 5: Solve for x
    x = 69,091,271.24/11,427.68
  6. Step 6: Final answer
    x = 6,045.96

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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.