Home / 9,328.08-13,992.15-3,781.53

Finding the Fourth Proportional to 9,328.08, 13,992.15 and 3,781.53

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Solution

The fourth proportional to 9,328.08, 13,992.15 and 3,781.53 is: 5,672.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.08 : 13,992.15 = 3,781.53 : x
  2. Step 2: Convert to fraction form
    9,328.08/13,992.15 = 3,781.53/x
  3. Step 3: Cross multiply
    9,328.08x = 13,992.15 × 3,781.53
  4. Step 4: Simplify right side
    9,328.08x = 52,911,734.99
  5. Step 5: Solve for x
    x = 52,911,734.99/9,328.08
  6. Step 6: Final answer
    x = 5,672.31

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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.