Home / 11,308.40-16,966.18-5,073.76

Finding the Fourth Proportional to 11,308.40, 16,966.18 and 5,073.76

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Solution

The fourth proportional to 11,308.40, 16,966.18 and 5,073.76 is: 7,612.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.40 : 16,966.18 = 5,073.76 : x
  2. Step 2: Convert to fraction form
    11,308.40/16,966.18 = 5,073.76/x
  3. Step 3: Cross multiply
    11,308.40x = 16,966.18 × 5,073.76
  4. Step 4: Simplify right side
    11,308.40x = 86,082,325.44
  5. Step 5: Solve for x
    x = 86,082,325.44/11,308.40
  6. Step 6: Final answer
    x = 7,612.25

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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.