Home / 11,530.34-15,911.70-6,494.57

Finding the Fourth Proportional to 11,530.34, 15,911.70 and 6,494.57

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Solution

The fourth proportional to 11,530.34, 15,911.70 and 6,494.57 is: 8,962.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,530.34 : 15,911.70 = 6,494.57 : x
  2. Step 2: Convert to fraction form
    11,530.34/15,911.70 = 6,494.57/x
  3. Step 3: Cross multiply
    11,530.34x = 15,911.70 × 6,494.57
  4. Step 4: Simplify right side
    11,530.34x = 103,339,649.47
  5. Step 5: Solve for x
    x = 103,339,649.47/11,530.34
  6. Step 6: Final answer
    x = 8,962.41

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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.