Home / 13,925.82-20,891.16-7,683.15

Finding the Fourth Proportional to 13,925.82, 20,891.16 and 7,683.15

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Solution

The fourth proportional to 13,925.82, 20,891.16 and 7,683.15 is: 11,526.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.82 : 20,891.16 = 7,683.15 : x
  2. Step 2: Convert to fraction form
    13,925.82/20,891.16 = 7,683.15/x
  3. Step 3: Cross multiply
    13,925.82x = 20,891.16 × 7,683.15
  4. Step 4: Simplify right side
    13,925.82x = 160,509,915.95
  5. Step 5: Solve for x
    x = 160,509,915.95/13,925.82
  6. Step 6: Final answer
    x = 11,526.07

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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.