Home / 11,207.76-15,463.26-6,491.13

Finding the Fourth Proportional to 11,207.76, 15,463.26 and 6,491.13

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Solution

The fourth proportional to 11,207.76, 15,463.26 and 6,491.13 is: 8,955.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.76 : 15,463.26 = 6,491.13 : x
  2. Step 2: Convert to fraction form
    11,207.76/15,463.26 = 6,491.13/x
  3. Step 3: Cross multiply
    11,207.76x = 15,463.26 × 6,491.13
  4. Step 4: Simplify right side
    11,207.76x = 100,374,030.88
  5. Step 5: Solve for x
    x = 100,374,030.88/11,207.76
  6. Step 6: Final answer
    x = 8,955.76

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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.