Home / 11,938.90-17,904.11-3,503.05

Finding the Fourth Proportional to 11,938.90, 17,904.11 and 3,503.05

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Solution

The fourth proportional to 11,938.90, 17,904.11 and 3,503.05 is: 5,253.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.90 : 17,904.11 = 3,503.05 : x
  2. Step 2: Convert to fraction form
    11,938.90/17,904.11 = 3,503.05/x
  3. Step 3: Cross multiply
    11,938.90x = 17,904.11 × 3,503.05
  4. Step 4: Simplify right side
    11,938.90x = 62,718,885.50
  5. Step 5: Solve for x
    x = 62,718,885.50/11,938.90
  6. Step 6: Final answer
    x = 5,253.32

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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.