Home / 13,120.15-19,675.33-4,233.25

Finding the Fourth Proportional to 13,120.15, 19,675.33 and 4,233.25

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Solution

The fourth proportional to 13,120.15, 19,675.33 and 4,233.25 is: 6,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,120.15 : 19,675.33 = 4,233.25 : x
  2. Step 2: Convert to fraction form
    13,120.15/19,675.33 = 4,233.25/x
  3. Step 3: Cross multiply
    13,120.15x = 19,675.33 × 4,233.25
  4. Step 4: Simplify right side
    13,120.15x = 83,290,657.11
  5. Step 5: Solve for x
    x = 83,290,657.11/13,120.15
  6. Step 6: Final answer
    x = 6,348.30

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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.