Home / 11,225.51-15,491.30-6,189.92

Finding the Fourth Proportional to 11,225.51, 15,491.30 and 6,189.92

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Solution

The fourth proportional to 11,225.51, 15,491.30 and 6,189.92 is: 8,542.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.51 : 15,491.30 = 6,189.92 : x
  2. Step 2: Convert to fraction form
    11,225.51/15,491.30 = 6,189.92/x
  3. Step 3: Cross multiply
    11,225.51x = 15,491.30 × 6,189.92
  4. Step 4: Simplify right side
    11,225.51x = 95,889,799.29
  5. Step 5: Solve for x
    x = 95,889,799.29/11,225.51
  6. Step 6: Final answer
    x = 8,542.14

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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.