Home / 11,948.16-17,919.85-11,355.39

Finding the Fourth Proportional to 11,948.16, 17,919.85 and 11,355.39

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Solution

The fourth proportional to 11,948.16, 17,919.85 and 11,355.39 is: 17,030.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.16 : 17,919.85 = 11,355.39 : x
  2. Step 2: Convert to fraction form
    11,948.16/17,919.85 = 11,355.39/x
  3. Step 3: Cross multiply
    11,948.16x = 17,919.85 × 11,355.39
  4. Step 4: Simplify right side
    11,948.16x = 203,486,885.49
  5. Step 5: Solve for x
    x = 203,486,885.49/11,948.16
  6. Step 6: Final answer
    x = 17,030.81

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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.