Home / 13,334.95-20,001.90-3,474.31

Finding the Fourth Proportional to 13,334.95, 20,001.90 and 3,474.31

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Solution

The fourth proportional to 13,334.95, 20,001.90 and 3,474.31 is: 5,211.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.95 : 20,001.90 = 3,474.31 : x
  2. Step 2: Convert to fraction form
    13,334.95/20,001.90 = 3,474.31/x
  3. Step 3: Cross multiply
    13,334.95x = 20,001.90 × 3,474.31
  4. Step 4: Simplify right side
    13,334.95x = 69,492,801.19
  5. Step 5: Solve for x
    x = 69,492,801.19/13,334.95
  6. Step 6: Final answer
    x = 5,211.33

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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.