Home / 11,119.34-16,679.01-5,272.76

Finding the Fourth Proportional to 11,119.34, 16,679.01 and 5,272.76

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Solution

The fourth proportional to 11,119.34, 16,679.01 and 5,272.76 is: 7,909.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.34 : 16,679.01 = 5,272.76 : x
  2. Step 2: Convert to fraction form
    11,119.34/16,679.01 = 5,272.76/x
  3. Step 3: Cross multiply
    11,119.34x = 16,679.01 × 5,272.76
  4. Step 4: Simplify right side
    11,119.34x = 87,944,416.77
  5. Step 5: Solve for x
    x = 87,944,416.77/11,119.34
  6. Step 6: Final answer
    x = 7,909.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.