Home / 11,031.88-15,209.08-7,488.94

Finding the Fourth Proportional to 11,031.88, 15,209.08 and 7,488.94

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Solution

The fourth proportional to 11,031.88, 15,209.08 and 7,488.94 is: 10,324.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.88 : 15,209.08 = 7,488.94 : x
  2. Step 2: Convert to fraction form
    11,031.88/15,209.08 = 7,488.94/x
  3. Step 3: Cross multiply
    11,031.88x = 15,209.08 × 7,488.94
  4. Step 4: Simplify right side
    11,031.88x = 113,899,887.58
  5. Step 5: Solve for x
    x = 113,899,887.58/11,031.88
  6. Step 6: Final answer
    x = 10,324.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.