Home / 11,173.92-15,421.91-6,461.07

Finding the Fourth Proportional to 11,173.92, 15,421.91 and 6,461.07

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Solution

The fourth proportional to 11,173.92, 15,421.91 and 6,461.07 is: 8,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.92 : 15,421.91 = 6,461.07 : x
  2. Step 2: Convert to fraction form
    11,173.92/15,421.91 = 6,461.07/x
  3. Step 3: Cross multiply
    11,173.92x = 15,421.91 × 6,461.07
  4. Step 4: Simplify right side
    11,173.92x = 99,642,007.74
  5. Step 5: Solve for x
    x = 99,642,007.74/11,173.92
  6. Step 6: Final answer
    x = 8,917.37

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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.